FIG. 
86. 
87. 
88. 
89. 
90. 
91. 
100. 
LOX. 
102. 
103. 
104. 
105. 
A, Parrity DiAGRAMMATIC REPRESENTATION OF THE EMBRYONIC 
URINOGENITAL APPARATUS OF A MALE Manat, showing its 
relations to the Ventral abdominal wall. B, THE PrEnis AND 
Scrotum oF A Human Empryo, 15 cm. long. Both figures 
founded on the work of Klaatsch 
LIST OF ILLUSTRATIONS xxi 
PAGE 
MEDIAN LONGITUDINAL SECTION THROUGH THE HEAD OF A 
NEWLY-HATCHED LARVA OF THE LAMPREY (Petromyzon planert) 136 
LATERAL VIEW OF THE NASAL CHAMBER OF A HUMAN EmBryo. 141 
SAGITTAL SECTION THROUGH THE NASAL AND Buccal CAVITIES 
OF THE HumAN Heap. 5 ; 142 
A-D, STAGES IN THE DEVELOPMENT OF THE SO-CALLED J ACOBSON’S 
ORGAN OF THE URoODELA. E, THE SAME ORGAN IN A GYMNO- 
PHIONE. F-H, THr Nose anpd JACOBSON’S ORGAN IN 
Lacerta, A Puacentan MAMMAL, AND Ornithorhynchus. 4H, 
after Symington . : , : : . 144-145 
HEADS oF TWO HuMAN EMBRYOS AT SECOND AND THIRD MONTHS 147 
Human EYE 148 
. DIAGRAM TO ILLUSTRATE THE SHIFTING OF THE LACHRYMAL 
GLAND, WHICH HAS TAKEN PLACE IN THE COURSE OF 
PHYLOGENY 149 
. Eykz OF A MONGOLIAN, WITH THE EPICANTHUS 150 
DIAGRAM TO ILLUSTRATE THE METAMORPHOSIS DURING DEVELOP- 
MENT OF THE VISCERAL SKELETAL ARCHES 151 
. PALATE OF A HuMAN EMBRYO AT THE EIGHTH MONTH : 5 NIGE 
. PanaTaL Foups oF THE Racoon (Procyon lotor) . ; : a LS6 
. Human Movutu, IN WHICH THE DEVELOPMENT OF THE UPPER 
OutEeR INCISORS HAS BEEN SUPPRESSED 158 
. HUMAN SToMACH 166 
THE CacuM AND PROCESSUS VERMIFORMIS IN A HuMAN 
EMBRYO 167 
THE C&cCUM AND VERMIFORM PROCESS OF A HuMAN EMBRYO 168 
THE CacUM AND VERMIFORM PROCESS IN A KANGAROO 169 
Human LARYNX IN FrRoNTAL SECTION | 174 
A SERIES OF WHOLLY DIAGRAMMATIC FIGURES TO ILLUSTRATE 
THE COMPARATIVE MorPHOLOGY OF THE URINOGENITAL 
ORGANS OF THE VERTEBRATA iO 
DIAGRAMMATIC REPRESENTATIONS OF THE CHIEF TYPES OF 
UTERUS OCCURRING IN THE PLACENTAL MAMMALS . 193 
