852 



THE JOURNAL OF GENERAL PHYSIOLOGY 



Integument : 



Role of integumentary pigment 

 in photoreception in Holo- 

 thuria (Crozier) 57 



Intensity : 



Photosensory stimulation 



(Hecht) 367 



Ion: 



Potassium, chemical character 



(Loeb) 237 



■ — , physiological action of 



(Loeb) 237 



Series (Loeb) 85, 247, 391 



Iron : 



Wires, passive, recovery of 

 transmissivity in, as model 

 of recovery processes in irri- 

 table living systems (Lillie) 

 107, 129 

 Isoelectric point: 



Red blood cells (Coulter) 



309 

 — — — , relation to agglu- 

 tination (Coulter) 



309 



Japonica : 



Popillia, response to 

 (Moore and Cole) 



K 



light 

 331 



Kinetics : 



Decomposition of visual purple 

 by light (Hecht) 1 



Inactivation of complement by 

 light (Brooks) 169 



Labyrinth : 



(Maxwell) 157 



Mechanism of static functions 

 of (Maxwell) 157 



Lactose : 



Fermentation by Bacillus colt, 

 inhibitory action of para- 

 typhoid bacilli (Smith and 

 Smith) 21 



Lanthanum : 



Antagonistic action of, as re- 

 lated to respiration (Brooks) 



337 

 Latency : 



Time, in enzyme determination 

 (Baas-Becking) 653 



Law: 



Numerical, of regression of 

 certain secondary sex char- 

 acters (Pezard) 271 

 Weber-Fechner (Moore and 

 Cole) 331 

 Leaflets : 



Sensitive briar (Schrankia), 

 summation of dissimilar 

 stimuli applied to (Bibb) 



523 



Light: 



Bleaching of visual purple by, 

 eflfect of temperature (Hecht) 



285 

 Inactivation of complement 

 by, kinetics of (Brooks) 



169 



Kinetics of the decomposition of 



visual purple by (Hecht) 



1 

 Relation between wave-length 

 of, and its effect on photo- 

 sensorv process (Hecht) 



375 

 Response of Popillia japonica 

 to (Moore and Cole) 



331 



Limulus : 



Heart ganglion of, action of 

 inhibitory nerves on carbon 



. dioxide production in (Car- 

 rey) 163 



polyphemus temperature co- 

 efficients of carbon dioxide 

 production by heart gan- 

 glion of (Carrey) 49 



— , — coefficient of neurogenic 

 rhythm of heart of (Carrey) 



41 



