PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



Series B. Vol. 81. No. B 55i. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 



The Elasticity of Rubber Balloons and Hollow Viscera. By Prof. 



W. A. OSBORNE, with a Note by W. SUTHERLAND .... 485 



The Modes of Division of Spirochaeta recurrentis and S. duttoni as observed 

 in the Living Organisms. By H. B. FANTHAM, D.Sc. Lond., Christ's 

 College, Cambridge, Assistant to the Quick Professor of Biology in the 

 University, and ANNIE PORTER, B.Sc Lond., University College, 

 London 500 



The Origin and Destiny of Cholesterol in the Animal Organism. Part VI. — 

 The Excretion of Cholesterol by the Cat. By G. W. ELLIS and 

 J. A. GARDNER, Lecturer in Physiological Chemistry, University of 

 London ............ 5°5 



On the Supposed Presence of Carbon Monoxide in Normal Blood and in the 

 Blood of Animals anaesthetised with Chloroform. By G. A. BUCK- 

 MASTER and J. A. GARDNER 5«5 



The Hexosephosphate formed by Yeast-juice from Hexose and Phosphate. 

 By W. J. YOUNG (Biochemical Laboratory of the Lister Institute of 

 Preventive Medicine) . . . . . . . . . . 5 2 & 



The Comparative Power of Alcohol, Ether, and Chloroform as measured by 

 their Action upon Isolated Muscle. By AUGUSTUS D. WALLER, M.D., 



f.r.s. ". . 545 



Studies on the Structure and Affinities of Cretaceous Plants. By MARIE C. 

 STOPES, Ph.D., D.Sc, F.L.S., Lecturer in Palaeobotany, Manchester 

 University, and K. FUJII, Ph.D., Assistant Professor of Botany, Imperial 

 University, Tokio. (Abstract) 559 



Obituary Notices of Fellows deceased : — David James Hamilton ; Wilfrid 



Hudleston Hudleston ; Sir George King . , . . . i — xxviii 



Index v xxix 

 Title, Contents, etc. 



\ 



PRINTED FOR THE ROYAL SOCIETY AND SOLD BY 

 HARRISON & SONS. 45, ST. MARTINIS LANE, LONDON, W.C. 



Price Three Shillings and Sixpence. 



No. B 551. 



November 23, 1909. 



