256 Scientific Intelligence. 



gained from this attractive little volume. The subject is pre- 

 sented here in the form of nine lectures, originally delivered at the 

 Finsbury Technical College in 1888, and this form makes it the 

 more readable and gives it less the character of a text-book. 



4. OstwakVs Klassiker der exakten Wissenschaften. Nos. 1, 

 2, 3. Leipzig, 1889 (Wilhelm Engelmann). — The publication of 

 this valuable series of scientific classics is a real service to the 

 scientific student. The numbers thus far issued are: 



No. 1. Ueber die Erhaltung der Kraft von Dr. H. Helmholtz. 



No. 2. Allgemeine Lehrsatze in Beziehung auf die im ver- 

 kehrten Verhaltnisse des Quadrats der Entfernung wirkenden 

 Anziehnngs- und Abstossungs-Krafte von Carl Friedrich Gauss. 



No. 3. Die Grundlagen der Atomtheorie ; Abhandlungen von 

 J. Dalton und W. H. Wollaston (1803, 1808). 



On the Classification of the Early Cambrian and Pre-Cambrian formations, by 

 R. D. Irving, pp. 361 to 454 of the Seventh Annual Report of the Director of the 

 U. S. G-eol. Survey, Washington, 1888. — This very valuable paperis the last work of 

 the able geologist. It makes manifest the greatness of the loss which the Gov- 

 ernment Survey experienced in his decease. 



The Faults in the Triassic formation near Meriden, Conn., by ffm. Morris 

 Davis. 24 pp. 8vo, with 5 plates. An important paper in the discussion of the 

 origin of the Triassic trap ejections of the Connecticut valley. 



The English Sparrow, Passer domesticus, in North America, especially in its 

 relations to Agriculture. Prepared under the direction of Dr. C. Hart Merriam, 

 Ornithologist, by Walter B. Barrows, Assistant Ornithologist, U. S. Dept. Agric, 

 Washington, D. C, 18S9. 



Catalogue of Fossil Reptiha ^nd Amphibia in the British Museum. Part II, 

 containing the orders Ichthyopterygia and Sauronterygia ; by R. Lyddekker. Lon- 

 don, 1889. 



Etudes sur les couches Jurassiques et Cretacees de la Russie ; by Prof. A. Pav- 

 low, with 3 plates of figures of fossils Relates especially to the beds at the 

 junction of the Jurassic and Cretaceous. 



The Mineral Wealth of British Columbia, with an annotated list of localities of 

 minerals of value ; by G. M. Dawson, D.S., F.G.S. Geol. and Nat. Hist. Survey 

 of Canada, Part R, Ann. Rep. for 1887. Montreal, 1888. (Dawson Brothers.) 



Discovery of fossil-bearing Cretaceous strata in Anne Arundel and Prince 

 George Counties, Maryland, by Prof. Wm. B. Clarke, Johns Hopkins University 

 Circular, No. 69, 1889. 



A Manual of Chemistry for the use of Medical Students, by Brandreth Symonds, 

 A.M., M.D., Assist. Physician to Roosevelt Hospital. 154 pp. 12mo. Philadel- 

 phia, 1889. (P. Blakiston, Son & Co.) 



Cercle Chromatique de M. Charles Henry, presentant tous les complements et 

 toutes les harmonies de Couleurs, Paris, 1888. (C. Verdin). Rapporteur Esthet- 

 ique de M. Charles Henry, permettaut l'etude et la rectification esthetique de toute 

 forme. Paris, 1888. (G. Seguin). 



OBITUARY. 



Elias Loomis. — Professor Elias Loomis, the eminent meteor- 

 ologist, connected since 1860 with the Faculty of Yale College, 

 died in New Haven on the 16th of August, at the age of seventy- 

 eight. A notice of his life and scientific work is deferred to 

 another number. 



