792 



INDEX 



Solution — Continued: 



Protein, influence of aggregates 

 on osmotic pressure (Loeb) 



769 

 Sodium chloride, effect of in- 

 creasing concentrations of 

 albumin on conductivity 

 (Palmer, Atchley, and 

 Loeb) 585 



Specificity ; 



Lucif erase (Harvey) 



285 

 Luciferin (Harvey) 285 



Starfish: 



Egg, organization (Chambers) 



41 



Stereotropic orientation of 



tube feet (Moore) 163 



tube feet, inhibition 



by light (Moore) 163 



Stereotropism : 



Dogfish (Maxwell) 19 



— , reversal through change of 

 intensity of stimulus (Max- 

 well) 19 

 Mustelus calijornicus (Max- 

 well) 19 



, reversal through change 



of intensity of stimulus 

 (Maxwell) 19 

 Orientation of tube feet of 

 Asterias (Moore) 163 

 of Asterias, inhibi- 

 tion by light (Moore) 



163 



of starfish (Moore) 



163 

 of starfish, inhibi- 

 tion by light (Moore) 



163 

 Ray, shovel-nosed (Maxwell) 



11 

 Rhinobatus productus (Max- 

 well) 1 1 

 Stimulation : 



Chemical, of nerve cord of 

 Lumbricus terrestris (Moore) 



29 



Stimulus : 



Stereotropism of dogfish, rever- 

 sal through change of inten- 

 sity of (Maxwell) 19 

 — — Mustelus californicus, 

 reversal through change of 

 intensity of (Maxwell) 



19 

 Substance : 



Inhibiting, formed by action 



of trypsin on proteins, 



equilibrium between trypsin 



and (Northrop) 245 



Substrate : 



Kinetics of trypsin digestion, 

 relation of enzyme and 

 (Northrop) 487 



Subtilis : 



Bacillus, effect of hydrogen ion 



concentration on production 



of carbon dioxide by 



(Brooks) 177 



Suspension : 



Bacterial, stability (North- 

 rop) 629 

 — , — (Northrop and De 

 Kruif) 639, 655 



Temperature : 



Coefiicient of phagocytosis 



(Fenn) 331 



Necturus, effect on phototropic 



response (Cole) 569 



Terrestris : 



Lumbricus, chemical stimula- 

 tion of nerve cord (Moore) 



29 

 Th5mius : 



Salamanders fed with, role of 

 iodine in inhibition of meta- 

 morphosis (Uhlenhuth) 



319 

 Tigrinum : 



Amby stoma, influence of feed- 

 ing anterior lobe of hypo- 

 physis on size (Uhlenhuth) 



321 



