LIST OF ILLUSTRATIONS xv 



FIG. PAGE 



987. Lacerta viridis, urinogenital organs, female . . . . 322 



988. Chamaeleon vulgaris ..... 



989. Pygopus lepidopus . . . . 329 



990. Sphenodon punctatum .... . 330 



991. Testudo graeca ... .331 



992. Sphenodon, vertebra ... . . 333 



993. Python, vertebra . . 332 



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 . . . . . 33& 



1001. Sphenodon, skull ... . . . 339 



1002. Emys europsea, skull 340 



1003. Chelone mydas, skull ... . ... 341 



1004. Crocodilus porosus, skull . . 342 



1005. Crocodile, skull ... . . ... 342 



1006. Emys europaea, tarsus ... 342 



1007. Alligator, carpus . . .... 342 



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 ...'.. 352 



1019. Draco volans 355 



1020. Rattlesnake, poison apparatus ........ 356 



1021. Bclodon, 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 36& 



1033. Columba livia, external form . 368- 



1034. feathers 369 



