Fig. 107. Crural Passage of Man | Fig. 108. Body caudal end human embryo 3rd week | Fig. 109. Monkey Pelvic-caudal Muscles | Fig. 110. Corresponding Muscles of Man | Fig. 111. A. Arm Bud of an embryo 4th week | Fig. 112. Constrictor Urethrae Muscle | Figures