PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



Series B. Vol. 78. No. B 526. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 



The Mechanism of Carbon Assimilation in Green Plants : the Photolytic 

 Decomposition of Carbon Dioxide in vitro. By FRANCIS L. USHER 

 and J. H. PRIESTLEY, B.Sc 318 



The Viscosity of the Blood. By A. DU PRE DENNING, M.Sc. (Birm.), B.Sc 

 (Lond.), Ph.D. (Heid.), and JOHN H. WATSON, M.B., B.S. (Lond.), F.R.C.S. 

 (Eng.) 328 



On the Myelins, Myelin Bodies, and Potential Fluid Crystals of the Organism. 



By J. G. ADAMI, F.R.S., Montreal, and L. ASCHOFF, Marburg . . . 359 



The Alcoholic Ferment of Yeast-juice. Part II. — The Coferment of Yeast- 

 juice. By ARTHUR HARDEN, D.Sc, Ph.D., and WILLIAM JOHN 

 YOUNG, M.Sc. 369 



Studies on Enzyme Action. — Lipase: II. By HENRY E. ARMSTRONG, 

 F.R.S., and ERNEST ORMEROD, Ph.D., M.Sc. (Vict.), Salters' Company's 

 Research Fellow, Chemical Department, City and Guilds of London 

 Institute, Central Technical College , 376 



The Action of Plants on a Photographic Plate in the Dark. By 



W. J. RUSSELL, Ph.D., F.R.S. (Plates 19—21) 385 



printed for THE ROYAL SOCIETY and sold by 



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



Price Three Shillings and Sixpence. 



No. B 526. 



October 24, 1906. 



