ADVERTISEMENTS. 



Publications received at Editor's Office, March 7-12. 



Carroll, L. The game of logic. New York, Macmillan. 96 p. 

 12°. $1. 



Hall, H. S., and Stevens, F. H. A text-book of Euclid's ele- 

 ments for the use of schools. Part i. New York, Macmillan. 

 148 p. 16°. 50 cents. 



Massachusetts, second annual report of the board of gas com- 

 missioners of, January, 1887. Boston, State. 81 p. 8°. 



Peale, a. C. Lists and analyses of the mineral springs of the 

 United States. (U. S geol. surv., bull. No. 32.) Washing- 

 ton, Government. 235 p. 8°. 



Prince, M. Thought transferrence. Boston, Cupples, Upham, 

 & Co. 22 p. 16°. 



Pumpelly, R. Report of the mining industries of the United 

 States (exclusive of the precious metals). (U. S. tenth cen- 

 sus, vol. XV.) Washington, Government. 1025 p. 4°. 



Reade, T. M. The origin of mountain ranges. London, Tay- 

 lor & Francis. 359 p. 8°. $2. 



Upcott, L. E. An introduction to Greek sculpture. Oxford, 

 Clarendon pr. 135 p 12°. (New York, Macmillan, $1.10.) 



Walcott, C. D. Second contribution to the studies of the 

 Cambrian faunas of North America. (U. S. geol. surv., 

 bull. No. 30.) Washington Government. 369 p. 8°. 



Calendar of Societies. 



Philosophical society, Washington. 

 March 12. — G. E. Curtis, The theory of the wind- 

 vane ; C. F. Marvin, The electrometer as used in ob- 

 servations of atmospheric electricity ; Bailey Willis^ 

 Mount Kanier and its glaciers. 



Chemical society, Washington. 

 March 10. — F. W. Clarke, The constitution of 

 double salts ; W. H. Seaman, Remarks on a new form, 

 of gas-generator. 



Boston society of natural history. 

 March 16. — W. M. Davis, The value of classifi- 

 cation as a guide in geographic investigation ; F. 

 W. Putnam, The perforated stones from Indian graves 

 in California 



Missouri university club, Columbia. 

 Feb. 21. — J. W. Spencer, Erosive action of glaciers, 

 as illustrated in Norway. 



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