CONTENTS 



LiLLiE, Ralph S. The recovery of transmissivity in passive iron 

 wires as a model of recovery processes in irritable living sys- 

 tems. Part II 129 



OsTERHOUT, W. J. V. A theory of injury and recovery. I. Experi- 

 ments with pure salts 145 



Maxwell, S. S. Labyrinth and equilibrium. III. The mechanism 



of the static functions of the labyrinth 157 



Garrey, Walter E. The action of inhibitory nerves on carbon 



dioxide production in the heart ganglion of Limulus 163 



Brooks, S. C. The kinetics of inactivation of complement by light. 169 



Brooks, S. C. The mechanism of complement action 185 



Irwin, Marlan. Comparative studies on respiration. XIII. An 

 apparatus for measuring the production of minute quantities of 

 carbon dioxide by organisms 203 



Krafka, Joseph, Jr. Environmental factors other than tempera- 

 ture affecting facet number in the bar-eyed mutant of Drosophila. 207 



Northrop, John H. The significance of the hydrogen ion concen- 

 tration for the digestion of proteins by pepsin 211 



LoEB, Robert F. Radioactivity and physiological action of potas- 

 sium 229 



LoEB, Jacques. Chemical character and physiological action of the 



potassium ion 237 



LoEB, Jacques. Ion series and the physical properties of proteins. 

 II 247 



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