SUBJECTS 



701 



Salt(s) : 



Antagonistic, effect on respira- 

 tion of Aspergillus niger 

 (Gustafson) 17 



Sign: 



Charge, reversal of, of mem- 

 branes by hydrogen ions 

 (Loeb) 577 



Collodion membranes, reversal 

 of charge (Loeb) 659 



Electrification of water, influence 

 of a slight modification of col- 

 lodion membrance on (Loeb) 



255 

 Stereotropism : 



Function of neuromuscular or- 

 ganization (Moore) 319 

 Stimulus : 



Tension of differential growth 

 as, to myogenesis (Carey) 



357 

 Strychnine : 



Action on neuromuscular mech- 

 anism of Asterias (Moore) 



201 

 Substrate : 



(Northrop) 113 



Concentration, influence on 

 rate of hydrolysis of proteins 

 by pepsin (Northrop) 



595 

 Subtilis : 



Bacillus, antagonistic effect of 

 magnesium in relation to 

 respiration of (Brooks) 



331 

 — , respiration of, in relation 

 to antagonism (Brooks) 



5 



— , toxic effect of magnesium 



in relation to respiration of 



(Brooks) 331 



System: 



Adrenalin-secreting, compara- 

 tive study of origin of (Gas- 

 kell) 73 



System — continued: 



Sympathetic, comparative 



study of origin of (Gaskell) 



73 



Temperature : 



Effect, upon facet number in 

 bar-eyed mutant of Droso- 

 phila (Krafka) 



409, 433, 445 



Higher, hereditary adaptation 



of organisms to (Northrop) 



313 

 Incubators, device for regulat- 

 ing, above room temperature 

 (Northrop) 309 



— , — — regulating, below 

 room temperature (North- 

 rop) 309 

 Room, device for regulating 

 temperature of incubators 

 above (Northrop) 309 

 — , regulating tempera- 

 ture of incubators below 

 (Northrop) 309 

 Tension : 



Differential growth as a stimu- 

 lus to myogenesis (Carey) 



357 

 Thyroid: 



(Swingle) 161 



Tinctorium: 



Echinodontium, Ellis and 

 Everhart, enzyme action 

 (SCHMITZ) 613 



Toxicity : 



Magnesium, toxic effect of, in 

 relation to respiration of Ba- 

 cillus subtilis (Brooks) 



331 



Velocity : 



/3-rays of different velocities, 

 relative physiological effects 

 (Redfield and Bright) 



31 



