PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 

 Series B. Vol. 88. No. B 603. 



BIOLOGICAL SCIENCES. 



CONTENTS. Page 



A Comparative Study of Oxidation by Catalysts of Organic and Inorganic 

 Origin. By ALFRED J. EWART, D.Sc. Ph.D., Professor of Botany 

 and Plant Physiology in the Melbourne University and Government 

 Botanist of Victoria .......... 284 



The Fixation of Arsenic by the Brain after Intravenous Injections of 

 Salvarsan. By JAMES MCINTOSH, Beit Memorial Research Fellow, 

 and PAUL FILDES, Assistant Bacteriologist to the London Hospital . 320 



The Prod uction of Anthocyanins and Anthocyanidins. — Part II. By 

 ARTHUR ERNEST EVEREST, M.Sc, Ph.D. (Lecturer in Chemistry, 

 University College, Reading) 326 



CROONIAN LECTURE : The Bearing of Cytol ogical Research on 

 Heredity. By EDMUND B. WILSON, Da Costa Professor of Zoology, 

 Columbia University, New York ....... 333 



/ 



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 603. 



December 1, 1914. 



