LIST OF ILLUSTRATIONS 



xvn 



PLATE 91. A. Skeletons of man and various apes. B. Pelvis of man and 



various apes . Following 164 



PLATE 92. A. Teeth of man and gorilla. B. Cerebral hemispheres of man 



and chimpanzee Following 164 



PLATE 93. Hair tracts on the arms and hands of a man and a male chim- 

 panzee . ...... Following 164 



PLATE 94. Ears of various Primates 164 



PLATE 95. A. Head of foetus of orang, showing pointed ear. B. Ear of a 

 man, showing a point on the recurved edge. C. Vestigial 

 tail muscles in man, abnormal .... Following 164 



PLATE 96. A. Vestigial muscles of the human ear. B. Vermiform appen- 

 dices in orang, man, and human foetus . . . Following 164 



PLATE 97. Eyes of various vertebrates, showing the nictitating membrane . 



Following 1 66 



PLATE 98. Embryos of various vertebrates .... 166 



PLATE 99. Foot position and curvature of spinal column in gorilla, adult 



man, and human infant ..... Following 166 



PLATE 100. Foot position and strength of grip in human infants . " 166 



PLATE 101. Development of Saccnlina carcini .... " 184 



FIG. 46. Early development of Sacculina carcini 185 



