LIST OF ILLUSTRATIONS xv 



X 



FIG. PAGE 



987. Lacerta viridis, urinogenital organs, female 322 



988. Chamaeleon vulgaris 32 & 



989. Pygopus lepidopus 329 



990. Sphenodon punctatum ^ 330 



991. Testudo graeca . . * . .331 



!)92. Sphenodon, vertebra 333 



993. Python, vertebra 333 



994. Crocodile, skeleton 334 



995. Sphenodon, skeleton 334 



996. Crocodile, anterior vertebrae 335 



997. Cistudo lutaria, skeleton 336 



998. Chelone midas, transverse section of skeleton . ... . . 336 



999. Tropidonotus natrix, skull 337 



1000. Crotalus, skull 338- 



1001. Sphenodon, skull 339 



1002. Emys europaea, skull 340 



1003. Chelone mydas, skull 341 



1004. Crocodilus porosus, skull 342 



1005. Crocodile, skull 342 



1006. Emys europaea, tarsus 343 



1007. Alligator, carpus , 343 



1008. pelvis .344 



1009. Crocodile, tarsus 344 



1010. Monitor, Emys, and Alligator, tongues 346 



1011. Chamaeleon, lungs 347 



1012. Lacerta muralis, heart 348 



1013. Turtle, diagram of heart 348 



1014. Crocodile, heart 349- 



1015. Alligator, brain . . 350 



1016. Sphenodon punctatum, pineal eye 351 



1017. Alligator, early development 352 



1018. Lacerta 353- 



1019. Draco volans 355- 



1020. Rattlesnake, poison apparatus . . 356 



1021. Belodon, skull 359 



1022. Galesaurus planiceps, skull ... 360 



1023. Plesiosaurus macrocephalus . .361 



1024. pectoral arch . 361 



1025. pelvic arch 362 



1026. Ichthyosaurus communis 362 



1027. Iguanodon bernissartensis 363 



1028. mantelli, teeth 36 



1029. Pterodactylus spectabilis 364 



1030. Scaphognathus, skull 365- 



1031. Ramphorhynchus 365 



1032. Edestosaurus 366 



1033. Columba livia, external form 368- 



1034. feathers 369 



