LIST OF ILLUSTRATIONS. 



FIG. 



200. Skull of grass snake. (W.K.Parker), . 



201. Lower surface of skull of a young crocodile, 



202. Crocodile's skull from dorsal surface, 



203. Half of the pelvic girdle of a young crocodile, 



204. Origin of amnion and allantois. (Balfour), 



205. Comparison of pelvic girdles of cassowary, Iguanodon, and 



crocodile, ..... 



206. Position of organs in a bird. (Selenka), 



207. Diagrammatic section of young bird. (Gadow), 



208. Disarticulation of bird's skuU. (Gadow), 



209. Under surface of gull's skull, 



210. Wing of dove, 



211. Side view of pelvis of cassowary, 



212. Bones of hind leg of eagle, 



213. Brain of pigeon. (Bronx), 



214. Diagrammatic section of cloaca of male bird. (Gadow), 



215. Circulation of pigeon. (Parker), 



216. Urinogenital organs of pigeon, 



217. Diagrammatic section of egg. (Allen Thomson), 



218. Stages in development of chick. (Marshall), 



219. Diagrammatic section of embryo within egg. (Kennel), 



220. Pectoral girdle and sternum of swan, 



221. Position of wings in pigeon at maximum elevation, 



(JWarey), ...... 



222. Wings coming down. (Marey), . 



223. Wings completely depressed. (Marey), . 



224. Segmentation of rabbit's ovum. (Van Beneden), 



225. Development of hedgehog. Three early stages. (Hubrecht 



226. Two stages in segmented ovum of hedgehog. (Hubrecht), 



227. Development of fretal membranes. (Hertwig), . 



228. Diagram of foetal membranes. (Turner), 



229. View of embryo of rabbit, with its fretal membranes 



(Kennel), 



230. Side view of rabbit's skull, . 



231. Dorsal view of rabbit's skull, 



232. Under surface of rabbit's skull, 



233. Rabbit's fore leg, 



234. Rabbit's hind leg, . 



235. Dorsal view of rabbit's brain. (Krause), 



236. Under surface of rabbit's brain. (Krause), 



237. Diagram of caecum in rabbit, 

 23S. Duodenum of rabbit. (Claude Bernard), 



6 



581 

 584 

 58s 

 586 

 590 



593 

 597 

 598 

 602 

 603 

 604 

 605 

 606 

 607 

 608 

 609 

 612 



613 

 615 

 616 

 622 



623 

 624 

 624 

 648 

 649 

 650 

 652 

 653 



657 

 662 

 663 

 664 

 65s 

 665 

 667 

 667 

 670 

 671 



