IV 



Page 



On the Clark Cell as a Standard of Electromotive Force. By the Lord 

 Rayleigh, M.A., D.C.L., £W S 79 



Account of a new Volcanic' . . d in the Pacific Ocean. By Wilfred 

 Rowell, H.B.M. Consul in Samoa. In a letter to the Hydrographer of 

 the Admiralty 81 



January 28, 1886. 



On Local Magnetic Disturbance in Islands situated far from a Continent. 

 By Staff-Commander E. W. Creak, R.N., F.R.S., of the Admiralty 

 Compass Department 83 



Description of some Remains of the Gigantic Land-Lizard (Megalania 

 prisca, Owen) from Queensland, Australia, including Sacrum and Foot- 

 Bones. Part IV. By Sir Richard Owen, K.C.B., F.R.S., &c 93 



On the Development of the Cranial Nerves of the Newt. By Alice 

 Johnson, Demonstrator of Biology, Newnham College, Cambridge, and 

 Lilian Sheldon, Bathurst Student, Newnham College, Cambridge 94 



List of Presents 96 



On the Changes produced by Magnetisation in the Length of Rods of 

 Iron, Steel, and Nickel. By Shelford Bidwell, M.A., LL.B 109 



No. 243.— February 4, 1886. 



On Intravascular Clotting. By L. C. Wooldridge, M.B., D.Sc, Demon- 

 strator of Physiology in Guy's Hospital (from the Brown Institu- 

 tion) 134 



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

 Smerinthus ocellatus and its Food-plants. By Edward B. Poulton, 

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



On the Polarisation of Light by Reflection from the Surface of a Crystal 

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

 Oxford 173 



February 11, 1886. 



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 Reynolds, LL.D., 

 F.R.S , 191 



The Electrical Phenomena accompanying the Process of Secretion in the 

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

 and J. Rose Bradford, B.Sc, Senior Demonstrator of Anatomy in Uni- 

 versity College, London (from the Physiological Laboratory of Univer- 



sity College) , 203 



February 18, 1886. 



Observations on the Radiation of Light and Heat from Bright and 

 Black Incandescent Surfaces. By Mortimer Evans, M. Inst. C.E., 

 F.R.A.S 207 



