ILLUSTRATIONS 1 



FIG. PAGE 



175. Arrangement for recording oxygen consumption by an animal . 183 



176. Apparatus used for making pure oxygen 185 



177. Gas reservoir made from a very shallow, wide, round cake pan . 18(5 



178. Dreser's apparatus for respiratory measurements 187 



179. Technie for inserting a bladder cannula 188 



180. Tracing showing action of morphine on oxygen consumption . . 191 



181. Kecord showing the action of adrenaline on the rate of oxygen 



consumption, uterine contractions, blood-pressure and respira- 

 tion 192 



182. Schematic representation of the course of the right phrenic nerve 



in a dog 193 



183. Dissection of lower part of neck and upper part of chest on right 



side in dog (Color plate) 194 



184. Dissection of lower part of neck and upper part of chest and of 



axillary region in dog (Color plate) 194 



185. Large needles for sewing with heavy twine 195 



186. Brass tube with spear point 196 



187. Arrangement of animal for recording lung volume changes . . . 196 



188. Apparatus for keeping the systematic blood-pressure at a con- 



stant level 197 



189. Lung volume and blood-pressure record 198 



190. Tracings showing the action of morphine 199 



191. Tracings showing the action of pantopon 200 



192. Tracings showing the action of peronine 201 



193. Tracings showing the action of dionine 202 



194. Tracings showing the action of narcotine 203 



195. Tracings showing the progressive actions of narcophine, narcotine 



and morphine 204 



196. Method of administering capsules, pills or tablets to dogs . . 205 



197. Mercury bulb 206 



198. Apparatus for recording bladder contractions 207 



199. Same as Fig. 198. Dissection for the femoral vessels .... 208 



200. Lung shield made of thin sheet brass 209 



201. Method of recording volume changes of the lung by use of the 



lung shield 210 



202. Tracing showing action of heroine and adrenaline 212 



203. Tracing showing the action of codeine and epinine 213 



204. Tracing showing the action of muscarine 214 



205. Tracing showing the action of codeine on turtle's lungs . . . 215 



206. Three kinds of catheters 216 



207. Dissection of the pelvis of dog 216 



203. Arrangement of apparatus for recording convulsions in a frog . 218 



209. Tracing showing the action of strychnine 219 



210. Greene's method of irrigating the heart 221 



211. Tracing showing the action of strychnine on the turtle's heart . 222 



212. Glass oncometer for a small loop of the intestine 223 



213. Glass ureteral cannula with rubber tube connection 225 



214. Tracing showing the action of morphine 228 



215. Tracings showing the action of picrotoxine 232 



216. Tracings showing the action of brucine 233 



