xxxvi COMPARATIVE ELECTRO-PHYSIOLOGY 



FIG. HAGE 



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 -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 . . . . . . 341 



207. Multiple Response of Pitcher of 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 342 



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



Positive Phase . . 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 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 8 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 



