18 ILLUSTRATIONS 



FIG. PAGE 



217. Method of administering medicine to a dog by means of the stom- 



ach tube , . . . 234 



218. Mouth gag for dogs, cats or rabbits 235 



219. Dissection to expose the sciatic- nerve 237 



220. Method of destroying the cerebrum only in a frog 238 



221. Tracing showing action of hydrastine 239 



222. Innervation of the heart in the frog or turtle 240 



223. Tracing showing the action of arecolinc. hydrastinine and ad- 



renaline 242 



224. Arrangement of a frog and apparatus for recording fatigue trac- 



ings 245 



225. Showing a method for making cannulas with separable points . . 246 



226. Structures in the neck of a rabbit showing the arrangement of the 



nerves on the left side (Color plate) 247 



227. Glass cannula showing a special washout opening 248 



228. Arrangement of two tambours to form a drop recorder .... 250 



229. Tracing showing action of sodium sulphate 251 



230. Tracing showing the action of curara 256 



231. Innervation of the salivary glands in the dog (Color plate) . . 257 



232. A turtle prepared for recording lung tracings 261 



233. Arrangement of apparatus for recording lung contractions . . . 262 



234. Lung tracing from a turtle 263 



235. Lung and heart tracings from a turtle 264 



236. Diagrammatic representation of innervation of lachrymal glands 265 



237. First incision for exposing the chorda tympani nerve, etc. . . . 266 



238. Dissection showing positioii and relation of hypoglossal and lin- 



gual nerves (Color plate) 266 



239. Exposure of the lingual and hypoglossal nerves and salivary ducts 



(Color plate) . . . ' . .266 



240. Exposure of the chorda tympani nerve (Color plate) .... 266 



241. Tracing showing the action of pilocarpine 274 



242. General course of the nerves to the salivary glands (Color plate) 274 



243. The submaxillary and sublingual glands and their ducts, etc. 



(Color plate)' 274 



244. A dissection showing position and relations of pancreatic ducts in 



dog 276 



245. 'Position and relations and method of isolating large duet of 



pancreas in dog (Color plate) 278 



246. Arrangement of apparatus for recording contractions of intestine. 279 



247. Tracing showing the action of barium, adrenaline and atropine . 280 



248. Tracing showing action of barium and adrenaline 281 



249. Tracing showing the action of arecoline and of atropine . . . 282 



250. Innervation of the retractor penis muscle (Color plate) .... 282 



251. Tracing showing the action of pilocarpine 283 



252. Tracing showing the action of a fatal dose of barium chloride . 284 



253. Tracing showing the action of adrenaline and barium chloride . 285 



254. Tracing showing the actioii of a fatal dose of barium chloride . 286 



255. A form of apparatus used in recording lung tracings 288 



256. A form of apparatus used in recording lung tracings .... 289 



