LIST OF ILLUSTRATIONS 



FIO. 



258. Rana temporaria, stages in life-history 



259. Salamandra maculosa 



260. Siren lacertina .... 



261. Pygopus lepi'dopus 



262. Hatteria punctata 



263. Grecian tortoise, Testudo grteca . 



264. Skeleton of crocodile . 



265. Cistudo lutaria .... 



266. Chelone midas .... 



267. Skull of rattlesnake 



268. Pectoral arch and sternum of Lacerta agilis 



269. Heart of monitor, Varanus . 



270. Brain of alligator, from above 



271. Pineal eye of Hatteria punctata, section 



272. Poison apparatus of rattlesnake . 



273. Columba livia, diagram with most of feathers removed 



274. Columba livia, feather . 



275. Pterylosis of Columba livia 



276. Columba livia, bones of the trunk 



277. Columba livia, cervical vertebra . 



278. Columba livia, sacrum of nestling 



279. Columba livia, skull of young 



280. Columba livia, hyoid apparatus . 



281. Columba livia, bones of left wing 



282. Columba livia, bones of left manus of nestling 



283. Columba livia, left innominate of nestling 



284. Columba livia, bones of left hind-limb 



285. Columba livia, part of left foot of embryo 



286. Columba livia, muscles of left wing 



287. Columba livia, dissection from right side 



288. Heart of pigeon, dorsal aspect 



289. Columba livia, brain, different views 



290. Eye of pigeon 



291. Columba livia, right membranous labyrinth of ear 



292. Columba livia, male urinogenital organs 



293. Columba livia, female urinogenital organs 



294. Feather of cassowary .... 



295. Wing of nestling of Opisthocomus and of adult Apteryx 



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