CONTENTS {continued). 



December 17, 1885. 



PAGE 



I. An Experimental Investigation into the Form of the Wave Surface of 



Quartz. By James McConnell, B.A 409 



II. Second Report on the Evidence of Fossil Plants regarding the Age of the 



Tertiary Basalts of the North-East Atlantic. By J. Staekie 

 Gabdineb .... .... . . . . 412 



III. Addition to a former Paper on Trichophyton tonsurans (" Proc. Boy. Soc," 



vol. 33, p. 234). By G-eoboe Thin, M.D .415 



IV. A New Form of Spectroscope. By J. Nobman Locxyee, F.R.S. . . 416 



V. On the Formation of Vortex Kings by Drops falling into Liquids, and 

 some allied Phenomena. By J. J. Thomson, M.A., F.R.S., Fellow of 

 Trinity College, Cavendish Professor of Experimental Physics, Cam- 

 bridge, and H. F. JSTewall, M.A., Trinity College, Cambridge . . 417 



VI. A Preliminary Account of a Research into the Nature of the Venom of 

 the Indian Cobra {Naja tripudians) . By R. Noeeis "Woleenden, 

 M.D. Cantab, (from the Physiological Laboratory, University College, 



London) . . . . . . . . . . 436 



List of Presents ... . ... . . . . 436 



The Influence of Bodily Labour upon the Discharge of Nitrogen. By 



W. Nobth, B.A., F.C.S. (Plates 5—10) * . . . .443 



The Influence of Stress and Strain on the Physical Properties of Matter. 

 Part II. Electrical Conductivity {continued). The Alteration of the 

 Electrical Conductivity of Cobalt, Magnesium, Steel, and Platinum- 

 iridium by Longitudinal Traction. By Heebeet Tomlinson, B.A. . 503 



Index . . . . . . . . .... 533 



Title and Contents. 



HARRISON AND SONS, 45 & 46, ST. MARTIN'S LANE, W,C., 



AND ALL BOOKSELLERS, 



