vi 



Page 



On the Constituent of the Atmosphere which absorbs Eadiant Heat. By 

 S. A. Hill, B.Sc, Meteorological Beporter for the North- Western 

 Provinces and Oudh, India 216 



List of Presents 226 



On Trichophyton tonsurans (the Fungus of Bingworm). By George Thin, 

 M.D. (Plate 2) 2 34 



On Bacterium decalvans : an Organism associated with the Destruction of 

 the Hair in Alopecia areata. By George Thin, M.D. (Plate 3) 247 



No. 218.— January 12, 1882. 



On the Besults of Becent Explorations of Erect Trees containing Bepti- 

 lian Bemains in the Coal Formation of Nova Scotia. By J. W. 

 Dawson, C.M.G., LL.D., F.B.S., &c 254 



On the Variation of the Electric Conductivity of Glass with Temperature, 

 Density, and Chemical Composition. By Thomas Gray, B.Sc, F.B.S.E. 256 



On a New Electrical Storage Battery. (Supplementary Note.) By 

 Henry Sutton 25 ? 



January 19, 1882. 



On certain Definite Integrals. No. 10. By W. H. L. Bussell, F.B.S 258 



Manometric Observations in the Electric Arc. By Professor Dewar, 

 M.A., F.B.S 2 ^ 2 



January 26, 1882. 



On a Series of Salts of a Base containing Chromium and Urea. No. 1. 

 By W. J. Sell, M.A., F.I.C., Demonstrator of Chemistry in the Uni- 

 versity of Cambridge 2 67 



On the Spectrum of Water. No. II. By G. D. Liveing, M.A., F.B.S., 

 Professor of Chemistry, and J. Dewar, M.A., F.B.S., Jacksonian Pro- 

 fessor, University of Cambridge 274 



An Attempt at a Complete Osteology of Hypsilophodon Foxii, a British ■ 

 Wealden Dinosaur. By J. W. Hulke, F.B.S 276 



The Influence of Stress and Strain on the Action of Physical Forces. By 

 Herbert Tomlinson, B.A 2 ?6 



List of Presents 2 §5 



On the Limit of the Liquid State. By J. B. Hannay, F.B.S.E., &c 294 



February 2, 1882. 



Sur les Surfaces Homofocales /hi Second Ordre. By Lieut. -Colonel A. 

 Mannheim, Professor in the Ecole Polytechnique 322 



