LIST OF ILLUSTRATIONS. 



FIG. 

 219. 



222. 

 223. 



226. 



227. 



228. 



22 9 . 

 2 3 0. 

 23I- 



234. 

 235- 



236, 



237' 



240, 

 241, 



243. 

 244, 

 245' 



PAGE 



Upper and Lower Teeth of 

 left side of an adult Man . 251 



Ant-eater . 254 



Open Mouth of the American 



Eft Plethodon .... 254 

 Pharynx of a Tench opened 



from below 255 



Side View of the Skull of a 

 Lizard (Varanus) with 

 Acrodont teeth .... 256 

 Inner Side of Lower Jaw of 



Pleurodont Lizard . . . 257 

 Grinding Surface of the Teeth 

 of the Right Half of the 

 Lower Jaw of the Lemu- 

 roid Microcebus .... 258 

 Side View of Skull of Porcu- 

 pine (Hystrix cristata) . 259 

 Dentition of Desmodus . . 259 

 A Lower Incisor of Galeopi- 



thecus 259 



Side View of Skull of Hemi- 



centetes 260 



Vertical Section of a Horse's 



Incisor 260 



Front View of Upper Incisors 

 and Canines of three genera 

 of Slow Lemurs .... 261 

 Dentition of Shrew-mouse 



(Sorex) 261 



Skull and Tusks of the Baby- 



russa (Porcus) 262 



Dentition of a Sheep . . . 262 

 Grinding Surface of a Left 



Upper Molar (Gymnura) . 264 

 Grinding Surface of a Left 



Upper Molar (Sorex) . . 264 

 Grinding Surfaces of Upper 

 Molars of Left Side (Uro- 

 trichns and Galeopithe- 



cus) 265 



Grinding Surface of Upper 



Molar of Left Side (Talpa] 265 

 Grinding Surfaces of Upper 

 Molars of Left Side (Cen- 

 tetes and Chrysochloris) . 266 

 Dentition of the Sabre-toothed 



Tiger (M achairodus] . . 266 

 Grinding Surface of First 

 Right Upper Molar Tooth 

 of A Hums fulgens . . . 267 

 Grinding Surface of Left 

 Upper Molar (Macrosce- 



lidei.} 267 



Grinding Surface of Second 



Upper Molar of a Camel . 268 

 Grinding Surface of Right 



Lower Molar (Tiipaia] . . 268 

 Grinding Surface of Right 

 Lower Molar {Chrysochlo- 

 ris} 268 



FIG. PAGE 



246. Upper and Lower Jaws (seen 



from behind) of an Eagle 

 Ray (Myliobatis) . . . 270 



247. Side View of the Skull of a 



Rattlesnake (Crotnlus) . . 270 



248. Vertical, Longitudinal Sec- 



tion of the Poison-fang of a 

 Serpent 27I 



249. Magnified Transverse Sec- 



tion of a Serpent's Poison- 

 fang . 271 



250. Vertical Section of the Lower 



Jaw of a Shark (Lamna) . 273 



251. Side View of the Pre-maxilla 



of a Parrot -fish (Scarns) . 273 



252. Grinding Surface of Lower 



Molar of Indian Elephant 274 



253. One Quarter of a much en- 



larged Horizontal Section 

 of the Tooth of a Labyrin- 

 thodon 275 



254. The Aardvark, or Cape Ant- 



eater (Orycteropits} . . .276 



255. Transverse Section of a Tooth 



of Orycteropus .... 276 



256. Under Surface of Head of a 



Saw-fish (Pristis) . . . 277 



257. A Shackle-joint 278 



258. Dorsal Fin of an Acanthopte- 



rygian Fish 278 



259. Dorsal Fin of a Malacopte- 



rygian Fish 278 



260. Series of Antlers of the Com- 



mon Stag 279 



261. Superficial Muscles of the 



Head: Right Side . . .283 



262. Deeper Muscles of the Right 



Side of the Head. . . .284 



263. The Muscles of the Eyeball . 285 



264. Muscles of the Right Side of 



the Tongue 286 



265. Muscles of the Front and 



Right Side of the Neck . 287 



266. Muscles of the Right Half of 



the Pharynx 288 



267. Muscles of the Back . . . 290 



268. Anterior Muscles of the 



Trunk 292 



269. Muscles of the Right Shoulder- 



blade 293 



270. Inner Aspect of Superficial 



Muscles of Right Shoulder- 

 blade and Upper Arm . . 293 



271. Superficial Flexor Muscles of 



Right Fore-arm .... 294 



272. Deeper Flexor Muscles of 



Right Fore-arm .... 296 



273. Superficial Extensor Muscles 



of Right Fore-arm . . . 296 



274. Deeper Abdominal Muscles . 298 



275. The Diaphragm 299 



