740 COMPARATIVE ELECTRO-PHYSIOLOGY 



158. Multiple response in pitcher of Nepenthe with entrapped insects . 341 



159. Multiple response in Drosera 343 



160. Multiple response in stomach of frog ...... 347 



ASCENT OF SAP AND SUCTION AL RESPONSE 



161. Electrical response of young root 353 



162. Electrical response of older root . . . . . . -354 



163. RespDn si ve secretion by root . . . . . . . . 352 



164. Response of root to chemical stimulation 355 



165. Electrical response of living wood and its depression under anaes- 



thetic ............ 362 



1 66. Abolition of electric response of wood by poison .... 363 



167. Hydraulic response to stimulus . ....... 366 



1 68. Effect of cold on suctional response ...... 372 



169. Effect of rise of temperature on suctional response . . . 372 



170. Effect of anaesthetic on suctional response 375 



171. Excitatory versus osmotic action ....... 376 



172. Initiation of suctional response and enhancement under stimulus . 383 



173. Diminution of latent period as after-effect of stimulus . . . 384 



174. Responsive variation of suction under overbalance . . . . 386 



175. Response to sub-terminal stimulation 388 



RESPONSE TO STIMULUS OF LIGHT 



1 76. Transverse transmission of effect of moderate stimulus . . . 397 



177. Transverse transmission of effect of strong stimulus . . . 399 



178. Mechanical response of Mimosa to unilateral light . . . . 400 



179. Electrical response of Mimosa to unilateral light . . . . 401 



1 80. Transmitted effect of stimulus of light ...... 402 



1 8 1 . Electrical response of Bryophylhim to light ..... 402 



182. Electrical response of petiole of cauliflower ..... 406 



183. Multiple growth response under light . . . . . . 405 



184. Multiple mechanical response of Biophytum under light . . . 407 



185. Multiple electrical response in Bryophyllum under continuous light 408 



1 86. Normal negative and positive after-effect under light . . . 409 



187. Influence of fatigue on after-effect 411 



188. Third type of direct and after-effects in plants under light . . . 412 



RESPONSE OF RETINA 



189. Determination of differential excitability as between optic nerve and 



cornea . . . . . . . . . . -417 



190. Determination of differential excitability as between retina and optic 



nerve 419 



191. Determination of true current of rest in frog's eye . . . . 418 



192. Conversion of abnormal retinal response to normal by excitatory 



agents ........... 423 



193. Normal retinal response of Ophiocephalus ..... 427 



