xxxvi COMPARATIVE ELECTRO-PHYSIOLOGY 



FIG. PAGE 



202. Transverse Section of Tissue of Pitcher of Nepenthe. . . . 336 



203. Photographic Record of Series of Normal Negative Responses of Glan- 



dular Surface of Nepenthe in Fresh Condition to Equi-alternating 

 Electric Shocks . .. .v . :" 338 



204. Photographic Record of Responses of Pitcher in Intermediate Stage, 



having Attracted a Few Insects . . .. . ...'.' . . . 340 



205. Photographic Record of Responses of Pitcher in Third Stage, the 



whole Glandular Surface thickly Coated with Insects . . . 340 



206. Multiple Response of Pitcher of Nepenthe, in First or Fresh Stage, to 



Single Strong Thermal Shock . . . ;I . v .>. , 341 



207. Multiple Response of Pitcher *>f Nepenthe, in Third Stage, to Single 



Strong Thermal Shock . . . . . . " ; ; . . . 341 



208. Photographic Record of Responses in Fresh Leaf of Drosera to Equi- 



alternating Electrical Shocks . . . , ' t.; ; -,'--'. 342 



209. Photographic Record of Multiple Response of Leaf of Drosera in 



Positive Phase ; Y . ... . . . 343 



210. Photographic Record of Normal Negative Responses of Frog's 



Stomach to Mechanical Stimulation . . .-.' -,..- 345 



211. Photographic Record of Normal Negative Responses of Stomach of 



Tortoise to Stimulus of Equi-alternating Electric Shocks . . . 345 



212. Photographic Record of Normal Response in Stomach of Gecko to 



Equi-alternating Shocks, seen to be reversed after Tetanisation . 346 



213. Photographic Record of Multiple Responses in Stomach of Frog to a 



Single Strong Thermal Shock . . . ' 347 



214. Photographic Record of Normal Negative Response of Young Root 



of Colocasia . . . Y : . 353 



215. Photographic Record of Positive Response in Older Root of Colocasia 354 



216. Photographic Record of Electrical Response of Sap-wood . . . 362 



217. Photographic Record showing Normal Responses of Living Wood to 



Vibrational Stimulus, and the Abolition of Response by a Toxic 

 Dose of Copper Sulphate . . ..... . . 363 



218. The Shoshungraph :.-,.. 369 



219. Curve showing Normal Suction at 23 C., Increased Suction at 35 



C., and the After-effect persisting on Return to Normal Tempera- 

 ture . . . . . . . -.., . 372 



220. Action of Anaesthetics in Abolition of Suction ..... 375 



221. Effect of Strong KNO 3 Solution . . . . .'.. . 376 



222. Effect of Strong NaCl Solution ........ 377 



223. Record of Blank Experiment showing Absence of any Disturbance 



of Record from Induction-shocks as such . . . 378 



224. Terminal Mode of Application of Stimulus . . ,,.... ... . 380 



225. Sub-terminal Mode of Application of Stimulus .. * . . . 380 



226. Renewal of Suction, Previously at Standstill, by Action of Stimulus . 383 



227. Photographic Record of Effect of Stimulus in Enhancing Rate of 



Suction . . ... ,, '.. . : - .. ...,. . .... . 383 



228. Variation of Latent Period as After-effect of Stimulus . . . . 384 



229. Photographic Record showing Variation of Latent Period as After- 



effect of Stimulus . . . 385 



230. Suctional Response under Over-balance . . ..!.. 386 



