CONTENTS. 



W. J. Macneal: The influenza epidemic of 1918 in the American Expeditionary 

 Forces in France and England. 51 (1426). 



C.-E. A. Winslow and Dorothy F. Holland: The disinfectant action of glycerol 

 in varying concentrations. 52 (1427). 



Alwin M. Pappenheimer: The effects of intravenous injections of dichlorethyl- 

 sulphide in rabbits. 53 (1428). 



Charles R. Stockard: Developmental rate and the formation of embryonic struc- 

 tures. 54 (1429)- 



O. L. Mohr and A. H. Sturtevant (by invitation). A semi-lethal in Drosophila 

 funebris that causes an excess of males. 55 (1430). 



T. H. Morgan and C. B. Bridges: The construction of chromosome maps. 56 

 (i43i). 



Warren P. Lombard and Otis M. Cope: Effect of position of body on the length of 

 systole and diastole and rate of pulse in man. 57 (1432). 



Thomas B. Osborne and Lafayette B. Mendel: The extraction of " fat-soluble 

 vitamine " from green foods. 58 (1433). 



H. G. Mehrtens, and C. G. McArthur (by invitation): Arsenic penetration of 

 the meninges during the treatment of neuro-syphilis. 59 (1434). 



The Proceedings of the Society for Experimental Biology and Medicine are 

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President — Gary N. Calkins, Columbia University. 



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