INDEX TO SUBJECTS. 



Acid: 



Gelatin, physical properties, 

 influence on, of (Loeb) 



363 



Gluten, action of acid on 



(Henderson, Cohn, Cath- 



CART, Wachman, and Fenn) 



459 

 Protein digestion by pepsin, 

 effect on, of (Northrop) 



607 

 Acidity : 



Decrease, increased production 

 of carbon dioxide accom- 

 panied by (Irwin) 399 

 Intracellular, in Valonia 

 (Crozier) 581 

 Activity : 



Sciatic nerve of frog, respira- 

 tory rate (Moore) 613 

 Adaptation : 



Dark, in My a arenaria (Hecht) 



545 

 AlkaU: 



Gluten, action of alkali on 

 (Henderson, Cohn, Cath- 

 CART, Wachman, and Fenn) 



459 

 Alkaloids : 



Antagonism to salts in relation 

 to permeability (Oster- 

 hout) 515 



Amphibian : 



Metamorphosis and develop- 

 mental phenomena (Uhlen- 

 huth) 525 



— , specific action of iodine in 

 accelerating (Swingle) 



593 



Analysis : 



Volumetric, of ion-protein com- 

 pounds (Loeb) 237 

 Anesthetic : 



Aspergillus niger, respiration, 

 effect on, of (Gustafson) 



181 

 Animal : 



Cells, permeability (Oster- 

 hout) 409 



Anion : 



Valency, influence upon phys- 

 ical properties of gelatin 

 (Loeb) 559 



Antagonism : 



Alkaloid and salt, in relation 



to permeability (Oster- 



hout) 515 



Bile salts, antagonistic effects 



(Osterhout) 405 



Thymus and parathyroid 



glands (Uhlenhuth) 23 



Anura : 



Adult, experimental produc- 

 tion of edema (McClure) 



261 

 Larval, experimental produc- 

 tion of edema (McClure) 



261 

 Apparatus : 



Surface tension, measuring (du 

 Nouy) 521 



Arenaria ; 



Mya, dark adaptation (Hecht) 



545 

 — , latent period in photic 

 response, effect of tempera- 

 ture (Hecht) 667 

 — , sensory equilibrium (Hecht) 



545 



751 



