754 



THE JOURNAL OF GENERAL PHYSIOLOGY 



Exposure : 



Light of short wave-lengths, 

 sensitization to heat due to 

 (BoviE and Klein) 



331 



Feathering : 



Hen- (Boring and Morgan) 



127 

 Fluorite : 



Rays, rate of recovery from 



action of (Bo vie and 



» Hughes) 323 



Gelatin : 



Physical properties, influence 

 of acid (Loeb) 363 



, influence of valency of 



anions (Loeb) 559 



, influence of valency of 



cations (Loeb) 483 



Gland: 



Parathyroid, antagonism be- 

 tween thymus and (Uhlen- 

 huth) 23 



Thymus, antagonism between 

 parathyroid and (Uhlen- 

 huth) 23 



— , specific tetany-producing 

 substance in (Uhlenhuth) 



33 



Thyroid, relation to meta- 

 morphosis and growth 

 (Uhlenhuth) 473 



Gluten: 



Acid, action on (Henderson, 

 Cohn, Cathcart, Wach- 

 MAN, and Fenn) 459 



Alkali, action on (Henderson, 

 Cohn, Cathcart, Wach- 

 MAN, and Fenn) 459 



Growth : 



Bacillus subtilis, eSect of ether 

 (Brooks) 193 



Plants, in soils free of micro- 

 organisms (Fred) 623 



Growth — continued: 



Thyroid, relation to meta- 

 morphosis and (Uhlen- 

 huth) 473 



H 



Heat: 



Sensitization, due to exposure 

 to light of short wave- 

 lengths (BoviE and Klein) 



331 

 Heliotropism : 



Mechanism (Carrey) 101 



Hemolysis : 



Mechanism (Brooks) 61 



Hen: 



-feathering (Boring and 

 Morgan) 127 



Hydrogen ion: 



Concentration, chemical influ- 

 ence (Loeb) 39 

 — , influence upon spore cycle 

 of Bacillus subtilis (Itano 

 and Neill) 421 



Indicator : 



Method of measuring oxygen 

 consumption (Osterhout) 



167 

 Inheritance : 



Character, fluctuating (Mor- 

 gan and Bridges) 639 

 Insect : 



Muscle tonus (Carrey) 



101 

 Intestinalis : 



Ciona, photic sensitivity 

 (Hecht) 147 



Iodine : 



(Swingle) 593 



Arnphibian metamorphosis, 

 specific action of iodine in 

 accelerating (Swingle) 



593 

 Ion-protein : 



Compounds, volumetric anal- 

 ysis (Loeb) 237 



