INDEX TO SUBJECTS. 



Absorption : 



Potassium, by animal cells 

 (Mitchell and Wilson) 



45 

 — , (Mitchell, Wil- 

 son, and Stanton) 



141 

 — , — — — , conditions con- 

 trolling (Mitchell and Wil- 

 son) 45 

 Rubidium and cesium, indi- 

 cating cause of potassium 

 selection by animal cells 

 (Mitchell, Wilson, and 

 Stanton) 141 

 Acid: 



Agglutination optimum as 

 index of bacterial mutation 

 (De Kruif) 387 



Cell penetration (Crozier) 



723 

 Hydrolysis of gelatin (North- 

 rop) 57 

 Adaptation : 



Dark, of fovea (Hecht) 



113 

 Agglutination : 



Acid agglutination optimum 

 as index of bacterial muta- 

 tion (De Kruif) 387 

 Bacillus of rabbit septicemia 

 by electrolytes (Northrop 

 and De Kruif) 639 

 — typhosus by electrolytes 

 (Northrop and De Kruif) 



639 



Agglutination — Continued: 



Bacteria, by proteins (Egg- 

 ERTH and Bellows) 669 



— , in presence of immune 

 serum (Northrop and De 

 Kruif) 655 



— , — — of normal serum 

 (Northrop and De Kruif) 



655 



— , of proteins (North- 

 rop and De Kruif) 655 



Erythrocyte, in presence of 

 blood sera (Coulter) 403 

 Aggregates : 



Membrane potentials of pro- 

 tein solutions, influence on, 

 of (Loeb) 769 



Osmotic pressure of protein 

 solutions, influence on, of 

 (Loeb) 769 



Albumin : 



Concentration, effect on con- 

 ductivity of sodium chloride 

 solution (Palmer, Atchley, 

 and Loeb) 585 



Egg, crystalline, at isoelectric 

 point, ionizing influence of 

 salts with tetravalcnt ions 

 (Loeb) 759 



— , — , — isoelectric point, 

 ionizing influence of salts 

 with trivalcnt ions (Loeb) 



759 



Albus : 



Lupinus, effect of cocaine on 

 growth (Macht and Living- 

 ston) 573 



781 



