SUBJECTS 



753 



Collodion : 



Membranes, influence of elec- 

 trolytes on rate of diffusion 

 of water through (Loeb) 



717 

 Concentration : 



Oxygen, relation between, and 

 rate of reduction of methyl- 

 ene blue by milk (Harvey) 



415 



Cycle : 



Spore, of Bacillus subtilis, in- 

 fluence of hydrogen ion con- 

 centration (Itano and 

 Neill) 421 



— , of Bacillus subtilis, influ- 

 ence of temperature (Itano 

 and Neill) 421 



Cypridina : 



Luciferase, chemical nature 

 (Harvey) 269 



Luciferin, chemical nature 

 (Harvey) 269 



Reversibility of photogenic 

 reaction (Harvey) 133 



D 



Deficiency: 



VermiHon- (Bridges) 645 



Development : 



Amphibians, developmental 

 phenomena in (Uhlenhuth) 



525 



Diffusion : 



Rate, of water, through collo- 

 dion membranes, influence of 

 electrolytes (Loeb) 717 



Digestion : 



Protein, by pepsin, effect of 

 acids (Northrop) 607 

 Disinfection : 



Mechanism (Brooks) 



61 



Dough : 



Viscosity, influence of electro- 

 lytes (Henderson, Fenn, 

 and Cohn) 387 



Djmamics : 



Photosynthesis 

 and Haas) 



(Osterhout 

 1 



Edema : 



Anura, adult, experimental 

 (McClure) 261 



— , larval, experimental (Mc- 

 Clure) . 261 

 Production by nephrectomy 

 (Swingle) 509 

 Egg: 



Nereis, temperature coefla- 

 cient of action of /3-rays 

 (Redfield and Bright) 



255 

 Electrification : 



Water, influence of electro- 

 lytes (Loeb) 717 

 Electroljrte : 



Diffusion of water, rate, through 

 collodion membranes, influ- 

 ence on, of (Loeb) 717 

 Dough viscosity, influence on, 

 of (Henderson, Fenn, and 

 Cohn) 387 

 Electrification of water, influ- 

 ence on, of (Loeb) 717 

 Equilibrium : 



Sensory, in Mya arenaria 

 (Hecht) 545 



Etching : 



Marble, by roots in absence of 

 bacteria (Fred and Haas) 



631 



— , by roots in presence of 



bacteria (Fred and Haas) 



631 

 Ether: 



Bacillus subtilis, growth, effect 

 on, of (Brooks) 193 



, respiration, effect on, of 



(Brooks) 193 



Carbon dioxide production by 



animals, effect on, of (Irwin) 



209 



Wheat, respiration, effect on, 



pf (Thomas) 203 



