416 Geological Society : — 



from lithium up to uranium. This seemed probable in 1888; 

 but the position of helium upon the diagram, which has since 

 been determined, appears to make it now less probable. 



On the other hand, the existence of sesqui-radius 16 was 

 an inference from premisses upon which full reliance was 

 justifiable. — Gr. J. S.] 



XLY. Notices respecting JYew Books. 



Science Abstracts. 

 * Science Abstracts ' continues to appear regularly under the 

 editorship of Mr. Gr. W. de Tunzelniann, and seems to maintain 

 its character as a carefully prepared epitome of contemporary work 

 in Physics, Physical Chemistry, Electrical Engineering, and allied 

 matters. We have received from the editor the subjoined list of 

 Journals recently added to those from which the Abstracts are 

 prepared. 



Journal of the Eussian Physico-Chemical Society (Eussian). 

 Proceedings of Academy of Sciences, Amsterdam (Dutch). Pro- 

 ceedings of Academy of Sciences, Stockholm (Swedish). Proceed- 

 ings of Academy of Sciences, Ohristiania (Norwegian). Proceedings 

 of Academy of Sciences, Copenhagen (Danish). Also : Zeitschrift 

 fiir anorganischen Chemie. Eoyal Society of Edinburgh, Trans- 

 actions and Proceedings. British Optical Journal. Elettricista 

 (Borne). Iron and Steel Institute, Transactions. American So- 

 ciety of Mechanical Engineers. Engineering and Mining Journal 

 (New York). Power (New York). American Telephone Journal. 

 La France Automobile. Der Motorwagen. Automobile Review 

 (Chicago). Archives of the Eontgen Bay. Washington Philoso- 

 phical Society, Bulletin. 



XLVI. Proceedings of Learned Societies. 



GEOLOGICAL SOCIETY. 



[Continued from p. 176.] 



January 22nd, 1902.— J. J. H. Teall, Esq., M.A., Y.P.E.S., 



President, in the Chair. 



f PHE following communications were read : — 

 -■- 1. 'The Eossiliferous Silurian Beds and Associated Igneous 

 Eocks of the Clogher Head District (County Kerry).' By Prof. 

 Sidney Hugh Eeynolds, M.A., E.G.S., and Charles Irving Gardiner, 

 Esq., M.A., E.G.S. 



After a brief account of the bibliography of the district, the 

 authors proceed to give a detailed description of the coast from 

 Dunquin past Clogher Head to Coosglass (south of Sybil Point), and 

 of the western side of Smerwick Harbour. They next deal with 

 the inland exposures, which are not very frequent, but include con- 



siderable rock-masses at Croaghmarhin and Minaunmore Bock. The 



