XX 



ILLUSTRATIONS 



3°3- 



3°4- 



3°5- 

 306. 



307- 

 30S. 



3°9- 

 310. 



3'i- 

 312. 



3*3- 

 3'4- 



3*5- 



316. 



3i7- 

 318. 



3 r 9- 

 320. 



3- 1 - 



324- 



325- 

 326. 



327- 

 328. 



3 2 9- 

 33°- 

 331- 



333- 



335- 



336. 

 337- 

 338. 



339 

 34o. 



34'- 

 342. 



343- 

 344- 



345- 



346. 



347- 



Hippocampus . 



Lophius piscatoriu < 



Ceratodus forsteri ■ 



Lepidosiren fiaradoxa 



Protopterus annectens 



Rana temporaria, skeleton 



Rana temporaria, dissected 



Siren lacertina 



Necturus maculatus 



. hnphiuma tridactyla 



Pipa americana 



Rana temporaria. developmen 



Epicrium glutinosum 



Ccecilia pachynema . 



Foetal membranes of a mammal 



Rhamphorhynchus . 



Jguanodoti bernissartensis 



Lacerta viridis 



Anguis fragilis 



Platydactylus viauritanicus 



Crotalus atrox 



Hatteria punctata . 



Testudo graeca 



Gavialis gangeticus . 



Crocodilus vulgaris . 



Alligator mississippiensis 



Various forms of birds* feet 



Columba livia, pterylosis 



Anas boschas, wing . 



Various forms of birds" beaks 



Gallus bankiva, skeleton 



Columba livia, dissected . 



Dinornis robustus. skeleton 



Apteryx australis and c*l;l; 



Apt cry. v australis, skeleton 



Eudyptes antipodum 



Pelecanus and young 



Ardea herodias 



L amptolaimus labradorius 



Cathartes 



Falco peregrinus anatum 



Bubo virginianus 



Meleagris 



Alca impennis and Alca tarda 



Columba livia domestic a . 



PAGE 



296 



297 

 298 

 298 



298 

 300 

 301 

 302 



303 

 303 



3°4 

 305 



3°7 

 307 



309 



3lo 



310 



312 



3'3 

 3U 

 320 



3-i 

 322 



3^5 

 3^5 

 326 



327 



32S 



3 2 9 

 33o 

 33i 



335 

 337 

 338 

 339 

 340 

 34^ 

 j>4j 

 344 

 345 

 346 



347 

 349 

 35 > 



