PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 

 Series B. Vol. 88. No. B 605. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 



The Influence of Salt-Concentration on Haemolysis. By W. W. C. TOPLEY. 



M.B., M.R.C.P., Bacteriologist to Charing Cross Hospital . . . 3o6 



The Influence of the Hydrogen Concentration upon the Optimum Tempera- 

 ture of a Ferment. By ARTHUR COMPTON, M.B., D.Sc (N.U.I.). 

 Imperial Cancer Research Fund . . . . . . . 408 



The Life-Cycle of Cladocera, with Remarks on the Physiology of Growth 

 and Reproduction in Crustacea. By GEOFFREY SMITH, M.A., Fellow 

 of New College, Oxford . . . . . . . . 4 1 $ 



Lepidostrobus kentuckiensis, nomen nov., formerly Lepidostrobus Fischeri, 



Scott and Jeffrey : a Correction. By D. H. SCOTT, For. Sec. R.S. . . 435 



Obituary Notice of Fellow Deceased : — A. C. L. G. Giinther (with 



portrait) xi— xxvi 



PRINTED FOR THE ROYAL SOCIETY AND SOLD BY 

 HARRISON & SONS, 45, ST. MARTIN'S LANE, LONDON, W.C. 



Price Two Shillings and Sixpence. 



No. B 605. 



March 1, 1915. 



