SUBJECTS 



787 



Isoelectric point: 



Egg albumin, crystalline, ion- 

 izing influence of salts with 

 tetravalent ions (Loeb) 



759 



, — , ionizing influence of 



salts with trivalent ions 



(Loeb) 759 



Protein, solubility at (Cohn) 



697 

 — solutions near, elimination 

 of discrepancies between 

 observed and calculated po- 

 tential difference with aid 

 of buffer solutions (Loeb) 



617 



K 



Kinetics : 



Bioluminescent reaction in 

 Cypridina (Amberson) 



517, 535 

 Trypsin digestion (Northrop) 



487 



Larva: 



Salamander, effect of iodine 

 (Uhlenhuth) 319 



— , iodothyrin (Uhlen- 

 huth) 319 

 Light: 



Stereotropic orientation of tube 

 feet of Astcrias inhibited by 

 (Moore) 163 



tube feet of starfish 



inhibited by (Moore) 



Limulus : 



Polyphemus, relation of 

 piration to rhythm in 

 diac ganglion (Garrey) 



Lucif erase : 



Si)ecificity (Harvey) 



163 



res- 

 car- 



149 



285 



Lucif erin : 



Specificity (Harvey) 285 



Lumbricus : 



terrestris, chemical stimulation 

 of nerve cord (Moore) 



29 

 Lupinus : 



albus, effect of cocaine on 

 growth (Macht and Living- 

 ston) 573 



M 



Macroscopic : 



Cataphoresis, apparatus 



(Northrop and Cullen) 



635 

 Medium : 



Hydrogen ion concentration, 

 physiology of respiration of 

 fishes in relation to (Powers) 



305 

 Membrane: 



Potentials of protein solutions, 

 influence of aggregates 

 (Loeb) 769 



Metabolism: 



Seed, effects of radium rays 

 (Redfield and Bright) 



297 

 Metamorphosis : 



Inhibition, role of iodine in 

 thymus-fed salamanders 



(Uhlenhuth) 319 



Microscopic : 



Cataphoresis, convenient cell 

 for (Northrop) 629 



Mustelus: 



californicus, reversal of stereo- 

 tropism through change of 

 intensity of stimulus (Max- 

 well) 19 

 — , stereotropism (Maxwell) 



19 

 Mutation : 



Bactcricd, acid agglutination 

 optimum as index of (Ue 

 Kruif) 387 



