Vertebrate Embryology - A Text-book for Students and Practitioners (1893) Illustrations

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A personal message from Dr Mark Hill (May 2020)  
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I have decided to take early retirement in September 2020. During the many years online I have received wonderful feedback from many readers, researchers and students interested in human embryology. I especially thank my research collaborators and contributors to the site. The good news is Embryology will remain online and I will continue my association with UNSW Australia. I look forward to updating and including the many exciting new discoveries in Embryology!

Marshall AM. Vertebrate Embryology: A Text-book for Students and Practitioners. (1893) Elder Smith & Co., London.

Marshall (1893): 1 Introduction | 2 Amphioxus | 3 Frog | 4 Chick | 5 The Rabbit | 6 Human Embryo | Illustrations
Historic Disclaimer - information about historic embryology pages 
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

List of Illustrations

Introductory Chapter

1. Stages in the maturation of the egg of the frog. (After O. Sclmltze)

2. Segmentation of the egg of AmphLoxus. (After Hatschek)

3. Segmentation of the frog's egg

4. The hen's egg, freshly laid

5. Segmentation of the germinal disc of the hen's egg. (After Coste and Duval)

6. Later stage in the segmentation of the germinal disc of the hen's egg. (After Coste and Duval)

7. Vertical section of the germinal disc of the hen's egg at the close of segmentation. (After Duval)

8. Vertical section of early larval stage of Amphioxus. (After Hats chek)

9. Horizontal section of early larval stage of Amphioxus. (After Hats chek)

10. Transverse section through the head of a chick embryo at the end of the first day of incubation .24

Amphioxus

11. Young specimen of Amphioxus, viewed as a transparent object. (From Marshall and Hurst) 38

12. Transverse section through the anterior part of the pharynx of an adult Amphioxus. (From Marshall and Hurst) .... 39

13. Transverse section through the posterior part of the pharynx of an adult female Amphioxus. (From Marshall and Hurst) . . 42

14. Segmentation of the egg of Amphioxus. (After Hatschek) . . 50

15. Formation of the gastrula of Amphioxus. (After Hatschek) . . 63

16. Later stage in the formation of the gastrula of Amphioxus. (After Hatschek) 53

17. Further stage in the formation of the gastrula of Amphioxus. (After Hatschek) .'.'..' 54

18. Completion of the gastrula of Amphioxus. (After Hatschek) . . 54

19. The gastrula of Amphioxus, bisected vertically. (After Hatschek) . 5(5

20. The gastrula of Amphioxus, bisected horizontallj*. (After Hatschek) 5(5 21-24. Transverse sections across the bodies of Amphioxus embryos, showing the mode of formation of the nervous system and of the mesoblastic somites. (After Hatschek) . . . , 58

25. Amphioxus embryo at the time of hatching; bisected vertically. (After Hatschek) 59

26. Amphioxus embryo at the time of hatching ; bisected horizontally. (After Hatschek) 59

27. Amphioxus embryo shortly after hatching ; seen in optical section from the right side. (After Hatschek) 62

28 and 29. Transverse sections of Amphioxus embryos shortly after hatching ; showing stages in the formation of the notochord and mesoblastic somites. (After Hatschek) 64

30. Amphioxus embryo with nine pairs of mesoblastic somites, seen in optical section from the right side. (After Hatschek) . . 66

31. Amphioxus embryo with nine pairs of mesoblastic somites, seen in horizontal section. (After Hatschek) 66

32. Transverse section through the middle of an Amphioxus embryo with nine pairs of mesoblastic somites. (After Hatschek) . . 67

33. Amphioxus embryo with fourteen pairs of somites ; seen in optical section from the right side. (After Hatschek) .... 6!)

34. Amphioxus larva at the commencement of the second or ' larval ' period of development. (After Hatschek) 74

35. Young Amphioxus during the ' adolescent ' period. (After Kowa levsky) "4

36. The anterior end of an Amphioxus larva with four primary gill-slits, seen from the left side. (After Lankester and Willey) . . 76

37. The anterior end of an Amphioxus larva with fourteen primary gill slits, seen from the right side. (After Willey) . . . 76

38. The anterior end of an Amphioxus larva with thirteen primary and eight secondary gill-slits, seen from the right side. (After Willey) 77

39. The anterior end of an Amphioxus larva with twelve primary gill slits, of which the first and twelfth are disappearing, and eight secondary gill-slits ; seen from the ventral surface. (After Willey) 78

40. Diagrammatic transverse section across an Amphioxus larva with eleven or twelve primary gill-slits, but no secondary ones. (Slightly modified from Lankester and Willey) .... 82

41. Diagrammatic transverse section through an advanced Amphioxus

larva with fully formed atrial cavity. (Slightly modified from Lankester and Willey, and from Boveri) 83

42. Diagrammatic transverse section across the intestinal region of an Amphioxus larva with five primary gill-slits. (After Hatschek) 85

43. Diagrammatic transverse section across a young Amphioxus imme diately after the completion of the larval period. (After Hatschek) 86

The Frog

44. Various stages in the development of the frog. (From Brehm'3 'Thierleben') 93

45. Stages in the maturation of the egg of the frog. (After 0. Schultze) OS 46-48. Segmentation of the frog's egg 101


49. The blastula stage in the development of the frog's egg . . . 103

50. The frog's egg at the close of segmentation 103

51. Median sagittal section of a frog embryo, showing the spreading of the epiblast, and the commencing formation of the mesenteron. 104 ~i2. Sagittal section of a frog embryo during the formation of the mesenteron 106

53. Horizontal section of a frog embryo during the formation of the mesenteron 107

54. Sagittal section of a frog embryo just before the disappearance of the segmentation cavity 108

55. Sagittal section of a frog embryo after the disappearance of the segmentation cavity and completion of the mesenteron . . 109

56. A transverse section through the middle of a frog embryo at about the stage represented in Fig. 55 110

57. A frog embryo at the time of appearance of the neural folds : seen from the dorsal surface 113

58. Stages in the early development of the frog embryo, seen obliquely from the hinder end. (From a series of wax models by Dr. F. Ziegler of Freiburg i/B) 114

59. Transverse section through a frog embryo, showing the neural folds shortly before they meet each other to complete the neural tube 115

60. Sagittal section of a frog embryo, shortly before closure of the blastopore . . 116

61. Sagittal section of a frog embryo, shortly after closure of the blasto pore and formation of the anus 117

62. The brain of the adult frog : dorsal surface 119

63. The brain of the adult frog : ventral surface 119

64. Sagittal section of the head end of a tadpole, just before the opening of the mouth 120

65. Sagittal section through the head and body of a tadpole of 12 mm. length, at the time of appearance of the hind limbs . . .121

66. Diagrammatic horizontal section of a 12 mm. tadpole, at the time of appearance of the hind limbs 135

67. Transverse section through the head of a tadpole of 6i mm. length, about the time of hatching 137

68. Transverse section across the posterior part of the head of an adult frog, showing the position and relations of the auditory organs, Eustachian tube, and hyoid apparatus 144

69. Sagittal section through a tadpole at the time of hatching . . 146

70. Transverse section across the middle of the length of a frog embryo 3\ mm. in length . . . 147

71. Horizontal section of the head and body of a 12 mm. tadpole . . 155

72. Side view of a tadpole at the time of hatching 157

73. Ventral view of a tadpole at the time of hatching .... 157

74. Horizontal section of a tadpole at the time of hatching . . .158

75. Transverse section through the head of a 12 mm. tadpole . . . 162

76. Diagrammatic figure of a 12 mm. tadpole, about the time of appear ance of the hind limbs . 166

77. Diagrammatic figure of the head and anterior part of the body of a 7 mm. tadpole shortly after hatching ; showing the branchial blood-vessels from the ventral surface ..... 170

78. Diagrammatic figure of the same embryo as in fig. 77, seen from the right side ........... 170

79. Diagrammatic transverse section across the head of a 7 mm. tadpole 171

80. Diagrammatic figure of the head of a 12 mm. tadpole from the right side, showing the heart and branchial blood-vessels . . .173

81. Diagrammatic figure of the arterial system of an adult frog . . 17s

82. Transverse section through the body of a tadpole at the time of hatching, showing the nephrostomes of the head-kidney . . 187

83. Diagrammatic figure of a 12 mm. tadpole dissected from the ventral surface, to show the heart and branchial vessels, and the headkidneys and commencing Wolffian bodies ..... 189

84. Transverse section across a 12 mm. tadpole, passing through the middle of the head-kidney ........ 1 00

85. A 40 mm. tadpole dissected from the ventral surface, to show the heart, the branchial vessels, and the urinary and reproductive organs ............ 193

86. A tailed frog, during the metamorphosis, dissected from the ventral surface to show the urinary and reproductive organs . . .193

87. Transverse section through the hinder part of the body of a tailed frog during the metamorphosis ....... 1 94

88. Transverse section through the anterior part of the body of a tailed frog during the metamorphosis ....... ] 95

89. Sagittal section of a tailed frog during the metamorphosi3 . . 200

90. The skull of a 12 mm. tadpole, seen from the right side . . . 202

91. The skull of a 12 mm. tadpole, from the dorsal surface . . . 202

92. The skull of a 12 mm. tadpole, from the ventral surface . . . 202

93. The skull of a tailed frog, towards the close of the metamorphosis, seen from the right side . . . ..... 208

94. The skull of an adult frog, seen from the right side .... 209

95. The skull of an adult frog, seen from the ventral surface . . .210

96. The skeleton of the frog, seen from the dorsal surface . . . 214


The Chick

97. The hen's egg at the time of laying ....... 221

98. The yolk of a hen's egg at the thirty-sixth hour from the commence ment of incubation ......... 223

99. The yolk of a hen's egg at the end of the third day of incubation . 224

100. The hen's egg at the end of the fifth day of incubation . . . 225

101. The hen's egg at the end of the ninth day of incubation . . . 227

102. An early stage in the segmentation of the germinal disc of the hen's egg. (After Coste and Duval) ....... 233

103. A later stage in the segmentation of the germinal disc of the hen's egg. (After Coste and Duval) ....... 233

104. Section through the germinal disc and adjacent parts of the yolk of a hen's egg about the middle of its stay in the uterus. (After Duval) ............ 234

105. Vertical section of the blastoderm and adjacent part of a hen's egg towards the close of segmentation. (After Duval) . . . 234

106. Vertical section of the blastoderm and adjacent part of the yolk of a hen's egg at the time of laying, but before the commencement of incubation. (After Duval) 235

107. A diagrammatic figure of the blastoderm of a hen's egg about the twentieth hour of incubation. (In part after Duval) . . 238

108. Transverse section across the blastoderm of a hen's egg about the twentieth hour of incubation 239

109. A diagrammatic figure of the blastoderm of a hen's egg about the twenty-fourth hour of incubation. (In part after Duval) . . 241

110. A chick embryo at the twenty-fourth hour of incubation ; seen from the dorsal surface 248

111. A chick embryo at the thirty-sixth hour of incubation ; seen from the dorsal surface 251

112. A median longitudinal, or sagittal, section of a chick embryo at the thirty-sixth hour of incubation 251

113. A chick embryo at the end of the third day of incubation . . 253

114. A median longitudinal, or sagittal, section through a chick embryo at the end of the third day of incubation 255

115. A chick embryo at the end of the fifth day of incubation . . 257

116. A median longitudinal, or sagittal, section of the head and anterior part of the neck of a chick embryo at the end of the eighth day of incubation 258

117. Transverse section across the body of a chick embryo at the twenty fourth hour of incubation 261

118. Transverse section across the head of a chick embryo at the twenty fourth hour of incubation 263

119. Transverse section across the head of a chick embryo at the forty third hour of incubation 264

120. Transverse section across the head of a chick embryo at the forty third hour of incubation, the section passing through the commencing auditory pits and the heart 265

121. Transverse section across the head of a chick embryo at the forty eighth hour of incubation . 276

122. Transverse section across the fore-brain and eye of a chick embryo at the sixtieth hour of incubation 277

123. A median longitudinal, or sagittal, section through a chick embryo at the end of the fifth day of incubation ..... 282

124. A section through the head of a chick embryo at the end of the third day of incubation 284

125. The head of an embryo chick at the end of the fifth day of incuba tion 287

126. The head of an embryo chick at the end of the seventh day of in cubation 288

127. The anterior end of a chick embryo at the thirty-sixth hour of incu bation 299

128. A diagrammat'c figure showing the arrangement of the blood vessels in a chick embryo at the end of the fifth day of incubation 304

129. A transverse section across the body of a chick embryo at the forty eighth hour of incubation 317

130. The left half of ths skeleton of the common fowl. (From Marshall and Hurst) 325

131. The skull of a chick embryo at the end of the eighth day of incu bation 329

132. The skull of the fowl, from the right side. (From Marshall and Hurst) 331

The Rabbit

133. Section through part of the ovary of an adult rabbit . . . 347 131. A fully formed ovum of a rabbit, shortly before its discharge from the ovary. (After Bischofif) 350

135. A rabbit's ovum, from the upper end of the oviduct, after extrusion of the two polar bodies. (After Bischoff) 350

136. A rabbit's ovum, about twenty-two hours after copulation, showing division of the ovum into two cells. (After Bischoff) . . 353

137. A rabbit's ovum about the middle of the third day, showing the morula stage, shortly before the completion of segmentation. (After Bischoff) 353

138. A rabbit's ovum seventy hours after copulation, showing the condi tion at the close of segmentation. (After Van Beneden) . . 354

139. A rabbit's ovum seventy-five hours after copulation, showing the first stage in the formation of the blastodermic vesicle. (After Van Beneden) 354

140. Section of the blastodermic vesicle of a rabbit at the end of the fourth day. (After Van Beneden) 355

141. A vertical section across the embryonal area of the blastodermic vesicle of a rabbit at the end of the fifth day. (After Kolliker) 359

142. A transverse section across the hinder part of the embryonal area of a rabbit embryo at the end of the seventh day. (After Kolliker) 359

143. The blastodermic vesicle of a rabbit at the end of the seventh day. (Modified from Kolliker) . 360

144. The embryonal area of a rabbit at the middle of the eighth day. (Modified from Kolliker) . . 360

145. A rabbit embryo and blastodermic vesicle at the end of the ninth day 363

146. A median longitudinal, or sagittal, section through a rabbit embryo and blastodermic vesicle at the end of the ninth day. (In part after Van Beneden and Julin) 364

147. A rabbit embryo and blastodermic vesicle at the end of the tenth day. (In part after Van Beneden and Julin) .... 365

148. A rabbit embryo and fostal appendages at the end of the twelfth day. (In part after Van Beneden and Julin) .... 366

149. A rabbit embryo of the twentieth day 367

150. A median longitudinal, or sagittal, section through a rabbit embryo at the end of the twelfth day 373

151. A median longitudinal, or sagittal, section through the head of a rabbit embryo of the eighteenth day 375

152. The brain of an adult rabbit, dissected from above. (From Marshall and Hurst) 377

153. A median longitudinal, or sagittal, section of the brain of an adult rabbit. (From Marshall and Hurst) 378

154. The brain of an adult rabbit from the ventral surface. (From Marshall and Hurst) 383

155. A transverse section across the head of a rabbit embryo of the fourteenth day 388

156. A transverse section across the head of a rabbit embryo of the twenty-first day 391

157. A diagrammatic section across the head of an adult rabbit, to show the relations of the internal ear, tympanic cavity and membrane, and the auditory ossicles. (From Marshall and Hurst) . . 394

158. A transverse section across the head of a rabbit embryo at the end of the eleventh day, the section passing through the medulla oblongata, the ears, and the pharynx 395

159. A transverse section across the head of a rabbit embryo of the fifteenth day, passing through the medulla oblongata, the ears, and the pharynx 396

160. A diagrammatic view of an adult male rabbit from the left side. (From Marshall and Hurst) 401

161. A rabbit embryo at the end of the twelfth day, seen from the right side 402

162. The skull of the rabbit from the right side. (From Marshall and Hurst) 405

163. A transverse section across the thorax of a rabbit embryo of the sixteenth day 409

164. A transverse section across the body of a rabbit embryo of the early part of the tenth day, showing the supposed epiblastic origin of the Wolffian duct. (After Hensen) .... 422

165. A transverse section across the body of a rabbit embryo at the end of the eleventh day . 423

166. A transverse section across the hinder part of the body of a rabbit embryo of the fourteenth day ....... 424,

167. Selected vertebrae from the rabbit. (From Marshall and Hurst) . 431

168. A transverse section across the uterus, with the contained blasto dermic vesicle, of a rabbit at the end of the seventh day. (In part after Duval) 436

169. A transverse section across the uterus and the contained blasto dermic vesicle of a rabbit at the end of the ninth day. (In part after Duval) 439

170. A transverse section across the uterus and the contained embryo of a rabbit at the end of the nineteenth day .... 443

The Human Embryo

171. Part of a vertical section of the ovary of a new-born infant. (From Strieker's ' Histology') 451

172. Front view of Reichert's ovum. (From Kolliker, after Reichert) . 472

173. Side view of Reichert's ovum. (From Kolliker, after Reichert) . 472

174. Diagrammatic section of Reichert's ovum. (From His) . . . 473

175. A longitudinal section of the uterus, with an ovum in situ, esti mated as about the thirteenth day. (After Kollmann) . . 474

176. Outline figure of a human embryo lettered by Professor His, E, and estimated as about the thirteenth day. (From His) . . . 477

177. Outline figure of a human embryo described by Allen Thomson, and estimated as about the thirteenth day. (From His) . . . 477

178. Outline figure of a human embryo, lettered by Professor His, S R, and estimated as of the thirteenth day. (From His) . . 477

179. Human embryo lettered by Professor His, S R, and estimated as of the thirteenth day. (After His) 478

180. Human embryo of about the thirteenth day, from the left side. (After V. Spee) 479

181. The same embryo as in Fig. 180, from the dorsal surface. (After V. Spee) 479

182. Transverse section across the head end of the human embryo shown in Figs. 180 and 181. (After V. Spee) . . . . .480

183. Transverse section across the middle of the body of the human embryo shown in Figs. 180 and 181. (After V. Spee) . . 480

184. Transverse section across the hinder end of the human embryo shown in Figs. 180 and 181. (After V. Spee) . . . .480

185. Human embryo of about the fourteenth day, from the right side. (After Kollmann) 481

186-188. Diagrammatic longitudinal sections through human embryos, representing hypothetical stages intermediate between Reichert's ovum and His' embryos, E or S R. (From His) . . . . 484

189. Outline figure of a human embryo lettered by Professor His, Lg, and estimated as fifteen days old. (From His) .... 487

190. Outline figure of a human embryo lettered by Professor His, Sch, and estimated as fifteen days old. (From His) .... 487

191. Outline figure of a human embryo lettered by Professor His, II, and estimated as eighteen days old. (From His) . . . .487

192. Outline figure of a human embryo figured by Allen Thomson, and probably about eighteen days old. (From His) . . . 487

193. Outline figure of a human embryo lettered by Professor His, B B, and estimated as about eighteen days old. (From His) . . 487

194. Outline figure of a human embryo lettered by Professor His, Kin, and estimated as about twenty days old. (From His) . . 487

195. Outline figure of a human embryo lettered by Professor Hi.=, Lr, and estimated as twenty or twenty-one days old. (From His) . 487

196. Human embryo at the commencement of the third week. (From His, after Coste) 488

197. Human embryo lettered by Professor His, Lg, and estimated as fifteen days old. (After His) 489

198. Human embryo lettered by Professor His, Lr, and estimated as twenty or twenty-one days old. (After His) .... 491

199. Outline figure of a human embryo figured and described by Coste, and estimated as about twenty-three days old. (From His) . 493

200. Outline figure of a human embryo lettered by Professor His, a, and estimated as about twenty-three days old. (From His) . . 493

201. Outline figure of a human embryo figured and described by Allen Thomson, and estimated as about twenty-three days old. (From His) 493

202. Outline figure of a human embryo lettered by Professor His, B, and estimated as twenty-seven days old. (From His) . 493

203. Outline figure of a human embryo lettered by Professor His, A, and estimated as twenty-seven days old. (From His) . . . 493

204. Human embryo lettered by Professor His, A, and estimated as twenty-seven days old. (After His) 494

205. Outline figure of a human embryo lettered by Professor His, Rg, and estimated as thirty-two or thirty-three days old. (From His) . 497

206. The under surface of the head of a human embryo lettered by Pro fessor His, Hn, and estimated as about twenty-nine days old. (After His) 498

207. The under surface of the head of a human embryo lettered by Pro fessor His, C.IL, and estimated as about thirty-four days old. (After His) 498

208. The left ear of a human embryo lettered by Professor His, Br. 2, and estimated as thirty-five days old. (From His) .... 500

209. The left ear of a human embryo lettered by Professor His, Dr, and estimated as thirty-eight days old. (From His) .... 600

210. A pregnant uterus of about the fortieth day. (From Kolliker, after Coste) 501

211. Outline figure of -a human embryo about the middle of the sixth week. (From His) . 503

212. Outline figure of a human embryo at the end of the second month. (From His) . . - . .504

213. Head of a human embryo at the end of the seventh week. (After His) 505

214. Head of a human embryo at the end of the second month. (After His) . . . . 505

215. The head and fore part of the body of a human embryo lettered by Professor His, Lr, and estimated as twenty or twenty-one days old. (After His) 511

216. Human embryo lettered by Professor His, Pr, and estimated as twenty-eight days- old. The brain is exposed from the left side, and the body of the embryo has been dissected to show the heart and aortic arches and the alimentary canal. (After His) 512

217. The brain of a human embryo lettered by Professor His, ZW, and estimated as about the middle of the eighth week. (After His) 513

218. A human fcetus three months old, dissected from the dorsal surface to expose the brain and spinal cord. (From Kolliker) . . 514

219. The brain of a human foetus three months old, from the right side. (From Kolliker) 515

220. The brain of a human foetus three months old, dissected from the dorsal surface. (From Kolliker) 515

221. The brain of a human foetus three months old, from the ventral surface. (From Kolliker) . . 515

222. The brain and spinal cord of a human foetus four months old, from the dorsal surface. (From Kolliker) 515

223. The brain of a human fcetus six months old, from the right side. (From Kolliker) 515

224. The brain of a human fcetus of the fifth month, bisected, and seen from the inner surface. (From Kolliker) 518

225. A transverse section through a portion of the wall of the spinal cord of a human embryo at the beginning of the fourth week. (After His) 522

226. A diagrammatic transverse section across the spinal cord of a human embryo of the fourth week. (After His) 525

227. A diagrammatic figure of a human embryo lettered by Professor His, Ko, and estimated as thirty-one days old. The figure shows the brain and spinal cord, and the cranial and spinal nerves. (After His) 529

228. Transverse section across the medulla oblongataof a human embryo lettered by Professor His, Ko, and estimated as thirty-one days old. The section passes through one of the roots of the hypoglossal nerve, and through both the motor and sensory roots of the pneumogastric nerve. (After His) 532

229. The left auditory vesicle of a human embryo four weeks old. (After W. His, jun.) 42

230. The left auditory vesicle of a human embryo five weeks old. (After W. His, jun.) 542

231. The left auditory vesicle, or internal ear, of a human embryo of the eighth week. (After W. His, jun.) 543

232. Human embryo lettered by Professor His, Lg, and estimated as fifteen days old. The brain and heart are exposed from the right side ; the alimentary canal and the yolk-stalk are represented in median sagittal section. (After His) .... 545

233. Outline figure of the alimentary canal of a human embryo lettered by Professor His, Pr, and estimated as twenty-eight days old. (From His) 546

234. Outline figure of the alimentary canal of a human embryo lettered by Professor His, Sch, and estimated as thirty-five days old. (From His) 547

235. Outline figure of the alimentary canal of a human embryo estimated as thirty-two days old. (From His) 548

236. Outline figure of the alimentary canal of a human embryo estimated as thirty-five days old. (From His) 548

237. The floor cf the pharynx of a human embryo fifteen days old, seen from above. (After His) 550

238. The floor of the pharynx of a human embryo twenty-three days old, seen from above. (After His) 551

239. The floor of the pharynx of a human embryo twenty-eight days old, seen from above. (After His) 552

240. The head and neck of a human embryo thirty-two days old, seen from the ventral surface. (After His) 553

241. The roof of the mouth of a human embryo about two and a half months old, showing the formation of the palate. (After His) . 554

242. The tongue and the floor of the mouth of a human embryo at the end of the second month. (After His) 556

243. Human embryo lettered by Professor His, Bl, and estimated as twenty-three days old. The brain and spinal cord are exposed from the right side : and the body is dissected to show the heart, the blood-vessels, and the alimentary canal. (After His) 567

244. The dorsal half of the heart of a human embryo twenty-eight days old, seen from within. (After His) 569

245. The aortic arches of a human embryo thirty-two days old, from the left side. (After His) 576

246. The aortic arches of a human embryo thirty-five days old, from the left side. (After His) 577

247. The liver, and the veins in connection with it, of a human embryo twenty-four or twenty-five days old, seen from the ventral surface. (After His) 580

248. Transverse section across the body of a human embryo estimated as fourteen days old. (After Kollmann) 689

249. The adult ovary, parovarium and Fallopian tube. (From Quain's Anatomy,' after Kobelt) 595

250. The external genitalia of a human embryo of about the ninth week. (From Kolliker, after Ecker) 596

251. The external genitalia of a human embryo of about the tenth week. (From Kolliker, after Ecker) 596

252. The external genitalia of a male human embryo towards the end of the third month. (From Kb'lliker, after Ecker) .... 597

253. The external genitalia of a female human embryo towards the end of the third month. (From Kolliker, after Ecker) . . . 597

254. A diagrammatic section of the pregnant human uterus at the seventh or eighth week. (From Quain's ' Anatomy,' after Allen Thomson) 600

255. A pregnant human uterus of about the twenty-fifth day. (From Quain's ' Anatomy,' after Coste) 608



Marshall (1893): 1 Introduction | 2 Amphioxus | 3 Frog | 4 Chick | 5 The Rabbit | 6 Human Embryo | Illustrations

Marshall AM. Vertebrate Embryology: A Text-book for Students and Practitioners. (1893) Elder Smith & Co., London.

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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Cite this page: Hill, M.A. (2020, July 12) Embryology Vertebrate Embryology - A Text-book for Students and Practitioners (1893) Illustrations. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Vertebrate_Embryology_-_A_Text-book_for_Students_and_Practitioners_(1893)_Illustrations

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© Dr Mark Hill 2020, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G