PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



Series B. Vol. 86. 



No. B591. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 



Acineta tuberosa : A Study on the Action of Surface Tension in Determining 

 the Distribution of Salts in Living Matter. By A. B. MACALLUM, Ph.D.. 

 Sc.D., LL.D.. F.R.S.. Professor of Bio-chemistry in the University of 



Carbohydrate Metabolism in its Relation to the Thyroid Gland. — The Effect 

 of Thyroid Feeding on the Glycogen-content of the Liver and on the 

 Nitrogen Distribution in the Urine. By W. CRAMER and R. A. KRAUSE 55<> 



Studies on the Processes Operative in Solutions (XXX) and on Enzyme 

 Action (XX). — The Nature of Enzymes and of their Action as 

 Hydrolytic Agents. By E. FRANKLAND ARMSTRONG and H. E. 

 ARMSTRONG. F.R.S 56 " 



Studies on Enzyme Action. XXI.— Lipase (III). By H. E. ARMSTRONG. 



F.R.S., and H. W. GOSNEY, B.Sc. ....... 586- 



Index ............. xxxi 



Title, Contents, etc. 



Toronto. (Plates 14 and 15) 



527 



PRINTED FOR THE ROYAL SOCIETY AND SOLD BY 

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

 Price Foiir Shillings and Sixpence. 



No. B 591. 



August 26, 1913. 



