LIST OF WOODCUTS. 



XV 



FIGURB PAGE 



213. Epidermis cells . . 201 



214. Tear-glands . . .202 



215. 216. Milk-glands . . 203 

 217, 218. Central marrow of 



human embryo . . 210 



219. Human brain . . .212 



220. . 213 

 221--223. Lyre-shaped embryo 



Chick . . . .218 

 224-226. The five brain-blad- 

 ders of the human germ 220 



227. The five brain-bladders of 



Craniota . . . 222 



228. Brain of Shark . . 222 

 22.0. Brain of Frog . . . 222 



230. Brain of Rabbit . . 224 



231. Nose of Shark . . 241 

 232-236. Development of the 



face in embryo Chick . 243 



237. Nose and moutb cavities . 246 

 238-240. The face iu the 



human embryo" . . 247 



241. Human eye . . . 250 



242. Development of the eyes 253 

 213. 256 



244. Human auditory passage 2GO 



245. Human auditory labyrinth 263 

 246-248. Development of the 



ear .... 264 

 219. Primitive skull with ear- 



ve^icles . . . 264 



250. Kudimentary ear-muscles 270 



251, 252. Human skeleton . 279 



253. Human vertebral column 280 



254. Neck-vertebra . . 281 



255. Breast-vertebra . . 281 



256. Lumbar-vertebra . . 2S1 j 



PIGUBK 



257. Portion of notochord 



PAOB 



286 



258-260. Growth of the primi- 

 tive vertebral series in 

 embryo Chick . . 288 



261. Longitudinal section of 



breast-vertebra . . 290 



262. Transverse section of same 291 



263. Intervertebral disc . . 291 



264. Human skull . . .292 



265. Head skeleton of Primi- 



tive Fish . . .296 



266. Primitive sknll of Man . 297 



267. Skeleton of fin of Ceratodus 302 



268. Skeleton of fin of Acorn- 



thiaa . . . .302 



269. Skeleton of fin of Primi- 



tive Fish . . . 302 



270. Skeleton of hand of Frog 302 



271. Skeleton of hand of Gorilla 302 



272. Skeleton of human hand . 302 



273. Skeleton of hand of Mam- 



mal . . . .306 



274. Gastrula of Olynthus . 313 



275. Human stomach . . 317 



276. Gastrnla of Amphioxus . 321 



277. Gastrula of Mammal . 321 



278. 279. Human germ with 



yelk-sac and allantois . 324 



280. Intestine of Turbellaria . 327 



281. Intestine of Ascidia . 327 



282. Intestine of Amphioxus . 328 



283. Scales of Shark . . 332 



284. 285. Intestine of embryo 



Dog with the intestinal 

 glands .... 334 



286. Intestine with allantois . 338 



287. Intestine of human germ 339 



