690 



THE JOURNAL OF GENERAL PHYSIOLOGY 



Harvey, E. Newton. Studies on 

 bioluminescence. XI. Heat pro- 

 duction during luminescence of 

 Cypridina luciferin, 137 



— . XII. The action of acid and 

 of light in the reduction of Cy- 

 pridina oxyluciferin, 207 



Harvey, R.B. Apparatus for meas- 

 urement of oxidase and catalase 

 activity, 253 



Hecht, Selig. The dark adapta- 

 tion of the human eye, 499 



— . Intensity and the process of 

 photoreception, 337 



— . The photochemical nature of 

 the photosensory process, 



229 

 J 



Johnson, Omer C. See Cohn, 

 Gross, and Johnson, 145 



K 



Krafka, Joseph, Jr. The effect of 



temperature upon facet number 



in the bar-eyed mutant of Droso- 



phila. Part I, 409 



— . Part II, 433 



— . Part III, 445 



Linhart, George A. The free en- 

 ergy of biological processes. Pre- 

 liminary paper, 247 



Loeb, Jacques. Electrification of 

 water and osmotic pressure, 



87 



— . Influence of the concentration 

 of electrolytes on the electrifica- 

 tion and the rate of diffusion of 

 water through collodion mem- 

 branes, 173 



— . Influence of the concentration 

 of electrolytes on some physical 

 properties of colloids and of 

 crystalloids, 273 



— . Influence of a slight modifica- 

 tion of the collodion membrane on 



the sign of the electrification of 

 water, 255 



Loeb, Jacques. Ionic radius and 

 ionic efiiciency, 673 



— . The nature of the directive 

 influence of gravity on the ar- 

 rangement of organs in regenera- 

 tion, 373 



— . On the cause of the influence 

 of ions on the rate of diffusion of 

 water through collodion mem- 

 branes. I, 387 



— . On the cause of the influence 

 of ions on the rate of diffusion of 

 water through collodion mem- 

 branes. II, 563 



— . Quantitative laws in regenera- 

 tion. I, 297 



— . Quantitative laws in regenera- 

 tion. II, 651 



— . The reversal of the sign of the 

 charge of collodion membranes 

 by trivalent cations, 659 



— . The reversal of the sign of the 

 charge of membranes by hydrogen 

 ions, 577 



M 



Maxwell, S. S. Labyrinth and 

 equilibrium. I. A comparison of 

 the effect of removal of the oto- 

 lith organs and of the semicircu- 

 lar canals, 123 



— . 11. The mechanism of the 

 dynamic functions of the laby- 

 rinth, 349 



McGuire, Grace, and Falk, K. 

 George. Studies on enz3^me ac- 

 tion. XVIII. The saccharogenic 

 actions of potato juice, 215 



Moore, A. R. The action of strych- 

 nine and nicotine on the neuro- 

 muscular mechanism of Asterias, 



201 



— . Stereotropism as a function of 

 neuromuscular organization, 



319 



