PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



vol, xl. No. 243. 



CONTENTS. 



February 4, 1886. 



PAGE 



I. On Intravascular Clotting. By L. C. Wooldridg-e, M.B., D.Sc., Demon- 

 strator of Physiology in G-uy's Hospital (from the Brown Institution). 134 



II. A Further Enquiry into a Special Colour-relation between the Larva of 

 Smerinthus oceUatus and its Food-plants. By Edwaed B. Poulton. 

 M.A., of Jesus and Keble Colleges, Oxford 135 



111. On the Polarisation of Light by Beflection from the Surface of a Crystal 

 of Iceland Spar. By Sir John Conroy, Bart., M.A., of Keble College, 

 Oxford . . . 173 



February 11, 1886. 



I. On the Theory of Lubrication and its Application to Mr. Beauchamp 

 Tower's Experiments, including an Experimental Determination of the 

 Viscosity of Olive Oil. By Professor Osborne Betxolds, LL.D., 

 F.E.S 191 



II. The Electrical Phenomena accompanying the Process of Secretion in the 

 Salivaiy Glands of the Dog and Cat. By W. Maddock Bayliss, B.Sc, 

 and J. Kose Bradford, B.Sc, Senior Demonstrator of Anatomy in 

 University College, London (from the Physiological Laboratory of 

 University College) 203 



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