CONTENTS. 



Arthur M. Banta: The results of selection with a Cladocera pure line (clone). 



69 (1444)- 



C. B. Davenport: Exhibit showing the results of selection for a new Buff Race. 



70 (1445). 



E. C. MacDowell (by invitation): The influence of parental alcoholism upon 



habit formation in albino rats. 71 (1446). 

 C. C. Little (by invitation): Some factors influencing the human sex-ratio. 72 



(1447) . 



A. F. Blakeslee (by invitation): Sexual differentiation in the bread molds. 73 



(1448) . 



H. H. Laughlin (by invitation): The relation between the number of chromosomes 

 of a species and the rate of elimination of mongrel blood by the pure-sire method 

 74 (1449)- 



J. Arthur Harris: The transformation of the plant ovule into an ovary. 75 (1450). 



Henry G. Barbour: The antipyretic action of dextrose. 76 (1451). 



David I. Macht: Concerning the effect of prostate feeding on tadpoles. 77 (1452). 



Max Kahn: Non-protein sulphur of the blood: Its determination, its fractionation, 

 and its clinical significance. 78 (1453). 



Donald D. Van Slyke and Harold A. Salvesen: Determination of carbon mon- 

 oxide in blood. 79 (1454). 



Donald D. Van Slyke and Walter W. Palmer: Titration of organic acids in 

 urine. 80 (1455)- 



Ludwig Kast and John A. Killian: Some significant chemical changes in the 



blood coincident with malignant tumors. 81 (1456). 

 Albred Scott Warthin and Carl Vernon Weller: The toxic action of dichlor- 



ethylsulphide ("mustard gas"). 82 (1457). 

 Aldred Scott Warthin and Carl Vernon Weller: The pathology of dichlore- 



thylsulphide (" mustard gas ") poisoning. 83 (1458). 

 P. Schoenholz and K. F. Meyer: The optimum H-ion concentration for the 



growth of B. typhosus, and the effect of changes in H-ion concentration on the 



generation time. 84 (1459). 

 K. F. Meyer, E. C. Fleischner and E. B. Shaw: The pathogenicity of bacterium 



melitensis for guinea pigs. 85 (1460). 



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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 College. 



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 Medical College. 



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 and J. W. Jobling, Columbia University, and ex-Presidents. 



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