694 



THE JOURNAL OF GENERAL PHYSIOLOGY 



Bar — continued: 



Gene, of Drosophila, change 

 involving increase in domi- 

 nance (Zeleny) 69 

 Bar-eye : 



Effect of temperature upon 



facet number in bar-eyed 



mutant of Drosophila 



(Krafka) 409, 433, 445 



Biology : 



Free energy of biological pro- 

 cesses (Linhart) 247 

 Bioluminescence : 



(Harvey) 133, 137, 207 



Cambium : 



Significance of, in the study of 

 certain physiological prob- 

 lems (Bailey) 519 

 Canal : 



Semicircular, effect of removal 

 of (Maxwell) 123 



Carbon dioxide : 



Production during lumines- 

 cence of Cypridina luciferin 

 (Harvey) 133 



Catalase : 



Activity, apparatus for meas- 

 urement (Harvey) 253 

 Extract, from marine algae, ki- 

 netic action (Hampton and 

 Baas-Becking) 635 

 Cation : 



Trivalent, reversal of sign of 

 charge of collodion mem- 

 branes by (Loeb) 659 

 Cell: 



Division, changes in proto- 

 plasmic consistency, relation 

 to (Chambers) 49 



Plant, effect of anions on the 

 permeability of (Raber) 



535 

 Charge : 



Collodion membranes, reversal 

 of sign by trivalent cations 

 (Loeb) 659 



Charge — continued: 



Membranes, reversal of sign, 

 by hydrogen ions (Loeb) 



577 

 Chiton : 



Neuromuscular mechanisms in, 

 analysis of (Crozier) 



627 

 Chromosomes : 



Parthenogenetic frogs (Par- 

 menter) 205 



Chrysogenum : 



Penicillium, effect of hydrogen 

 ion concentration on respi- 

 ration of (Gustafson) 



617 

 Collodion : 



Membranes, cause of influence 

 of ions on rate of diffusion of 

 water through (Loeb) 



387, 563 



• — , influence of electrolytes on 



rate of diffusion of water 



through (Loeb) 173 



— , slight modification of, 



on sign of electrification of 

 water (Loeb) 255 



— , reversal of sign of charge by 

 trivalent cations (Loeb) 



659 

 Colloid: 



Influence of concentration of 

 electrolytes on some physical 

 properties of (Loeb) 



273 

 Concentration : 



Electrolytes, influence on elec- 

 trification of water (Loeb) 



173 



— , rate of diffusion of 



water through collodion 

 membranes (Loeb) 



173 

 — , some physical proper- 

 ties of colloids (Loeb) 



273 



