PROCEEDINGS 



OF 



THE ROYAL SOCIETY 



Series B. Vol. 89. No. B 614. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 



On the Mechanism of Chemical Temperature Regulation. By J. M. 

 O'CONNOR 



20 1 



Physiological Investigations with Petiole- Pulvinus Preparations of Mimosa 

 pudica. By Prof. J. C. BOSE. M.A.. D.Sc, C.S.I. , C.I.E., assisted by 

 SURENDRA CHANDRA DAS, M.A 213 



The Antiseptic Action of Substances of the Chloramine Group. By 



H. D. DAKIN. J. B. COHEN, F.R.S., M. DAUFRESNE, and J. KENYON . 232 



printed for THE ROYAL SOCIETY and sold by 



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

 Price Two Shillings. 



No. B 614. 



May 6, 1916. 



