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first observable movement of the embryo. Bonnet might stimulate the heart of the embryo in the process

are comparatively numerous in the embryo, and in the adult the resting A, From a 7 mm. embryo; B, from one of 26 mm.; ch,

From the Department of Embryology, Carnegie Institution of Washington, in the cartilaginous capsule of the ear in the human embryo. Amer. Jour. Anat.,

...ic sac and its topographical relation to the transverse sinus in the human embryo. Six figures 67 H. E. Jordan. The microscopic structure of the yolk-sac of the pig embryo, with special

yolk-sac of 10-mm. pig embryo, 5 yolk-sac of mongoose embryos, 6 ...of mesenchymal 'angioblasts' in the living blastoderm of the two-day chick embryo

...that described for other hemopoietic organs, e.g., yolk-sac of 10-mm. pig embryo, 5 yolk-sac of mongoose embryos, 6 and red bone-marrow. 7 ...of mesenchymal 'angioblasts' in the living blastoderm of the two-day chick embryo grown in Locke's solution, by which the blood-vessel lumen forms. But these

Translation by Jos6 F. Nonidez Carnegie Institution of Washington 8 1917 The microscopic structure of striped muscle in Limulus. Pub. 251, Carnegie Institution of Washington, pp. 273-290.

Alexander S. Begg. Absence of the vena cava inferior in a r2-mm. pig embryo, associated with the drainage of the portal system into the cardinal system Carnegie Institution of Washington

...ATION OF THE CAVITIES IN THE CARTILAGINOUS CAPSULE OF THE EAR IN THE HUMAN EMBRYO== Department of Embryology, Carnegie Institution of Washington, Baltimore,

...ation of the cavities in the cartilaginous capsule of the ear in the human embryo. Twelve figures 1 OF THE EAR IN THE HUMAN EMBRYO

the developmental history of the embryo into the background of the physiological changes in We wish to acknowledge our indebtedness to the Carnegie Institution of Washington for the

6. Relation of early cleavage planes to the antero-posterior axis of the embryo embryo soon dies (Moore, ’41, ’46, ’47).

University of Cincinnati Carnegie Institution Carnegie Laboratory oj Embryology, Johns Hopkins Medical School

Corner, G. W. 1915 Corpus luteum of pregnancy as it is in swine. Carnegie ...ctomjr in relation to the secondary sex characters of some domestic birds. Carnegie Inst. Washington, 243.

...p. 1391. Corner, G. W. 1915 Corpus luteum of pregnancy as it is in swine. Carnegie ...ctomjr in relation to the secondary sex characters of some domestic birds. Carnegie Inst. Washington, 243. Hegar, K. 1910 Studien zur Histogenese des Corpus lu

University of Cincinnati Carnegie Institution WARREN H. LEWIS Carnegie Laboratory oj Embryology, Johns Hopkins Medical School

the embryo occur within the oviduct. Examples are: Salamandra salamandra, believed was the essential element in that it contained the preformed embryo

cleavage stages of Cunina proboscidea. While the embryo is a embryo, and young polyp (actinula) of Tubularia crocea. In this

252 also Table V, Xos. 250 (R), 252 (R), 255 (L) and 256 (L) and

251 252 ...ig. 45), 209 (Fig. 32), and 228 (Fig. 22); cf. also Table V, Xos. 250 (R), 252 (R), 255 (L) and 256 (L) and fieures.