CONTENTS 



Fox, H. Monroe. Methods of studying the respiratory exchange 

 in small aquatic organisms, with particular reference to the use of 

 flagellates as an indicator for oxygen consumption 565 



Fenn, Wallace O. The phagocytosis of solid particles. III. Car- 

 bon and quartz 575 



Falk, K. George, and McGuire, Grace. Studies on enzyme action. 

 XIX, The sucrolytic actions of bananas 595 



OsTERHOUT, W. J. V. A theory of injury and recovery. III. Re- 

 peated exposures to toxic solutions 611 



Brody, Samuel, and Ragsdale, Arthur C. The rate of growth of 



the dairy cow. Extrauterine growth in weight 623 



ZoLLER, Harper F. Casein viscosity studies 635 



Baas-Becking, Lourens, G. M. The significance of latency time in 



enzyme determination 653 



Sherman, James M., and Shaw, Roscoe H. Associative bacterial 

 action in the propionic acid fermentation 657 



Krafka, Joseph, Jr. The physiological zero: An explanation of the 

 departure from the linear graph of the reaction rate values at the 

 lower temperatures 659 



Inman, O. L. Comparative studies on respiration. XVII. De- 

 creased respiration and recovery 663 



LoEB, Jacques. Donnan equilibrium and the physical properties 



of proteins. I. Membrane potentials 667 



LoEB, Jacques. Donnan equilibrium and the physical properties of 

 proteins. II. Osmotic pressure 691 



The Journal of General Physiology is issued bimonthly, one volume of about 600 

 pages appearing in a year. Contributions should be sent to the editors of The Journal 

 of General Physiology, Avenue A and 66th Street, New York, N. Y, or 60 Buckingham 

 Street, Cambridge, Mass. The papers should be Umited preferably to twenty printed 

 pages, not counting the space occupied by illustrations. Authors receive 100 reprints 

 of their papers free of charge; additional copies may be obtained at cost. 



The subscription price per year (one volume) is $5.00, payable in advance. Single 

 copies cost $1.00. Remittances should be made by draft or check on New York, or by 

 postal money order, payable to The Journal of General Physiology, Mount Royal and 

 Guilford Avenues, Baltimore, Md., or Avenue A and 66th Street, New York, N. Y. 



