Page 



Experiments on Variola and Vaccinia. By S. Monckton Copeman, 

 M.A., M.D. (Cantab.) 187 



List of Presents .. 189 



No. 327. 



On the Geometrical Construction of the Oxygen Absorption Lines 

 Great A, Great B, and o of the Solar Spectrum. By George Higgs.... 200 



On the alleged Increase of Cancer. By George King, F.I. A., F.F.A., 

 Hon. Sec. Institute of Actuaries, and Arthur Newsholme, M.D., 

 M.R.C.P., Medical Officer of Health for Brighton 209 



An Experimental Investigation of the Nerve Roots which enter into 

 the formation of the Lumbo-sacral Plexus of Macacus rhesus. By J. 

 S. Risien Russell, M.B., M.R.C.P., Assistant Physician to the Metro- 

 politan Hospital 243 



A New Hypothesis concerning Vision. By John Berry Haycraft, 

 M.D., D.Sc 272 



The Har Dalam Cavern, Malta, and its Fossiliferous Contents. By 

 John H. Cooke, F.G.S. With a Report on the Organic Remains, by 

 Arthur Smith Woodward, F.L.S., F.G.S., F.Z.S 274 



The Effects of Mechanical Stress on the Electrical Resistance of Metals. 

 By James H. Gray, M.A., B.Sc., and James B. Henderson, B.Sc., 

 " 1851 Exhibition" Science Scholars, Glasgow University 283 



No. 328. 



The Action of Gravity upon Bacterium Zopfii. By Rubert Boyce, M.B., 

 M.RC.S., Assistant Professor of Pathology, University College, 

 London, and A. Ernest Evans, M.B., C.M., Glasgow. [Plates 1 

 and 2] 300 



November 16, 1893, 



On Hepatic Glycogenesis, By D. Noel Paton, M.D., Superintendent 

 of the Research Laboratory of the Royal College of Physicians of 

 Edinburgh .' 313 



On certain Correlated Variations in Carcinus moenas. By W. F. R. 

 Weldon, M.A., F.R.S., Fellow of St. John's College, Cambridge, Pro- 

 fessor of -Zoology in University College, London 318 



Contributions to the Mathematical Theory of Evolution. By Karl 

 Pearson, M.A., Professor of Applied Mathematics, University 

 College 329 



Experiments in Heliotropism. By G. J. Romanes, F.R.S 333 



Experiments in Germination. By G. J. Romanes, F.R.S 335 



List of Presents .. 337 



November 23, 1893. 



The Photographic Spectrum of Electrolytic Iron. By J. Norman 

 Lockyer, F.R.S 359 



