SCIENCE. 



[Vol. XIV. No. 341 



received at Editor 

 July 8-Aug. 3. 



Allen, A. H. Commercial Organic Analysis. Vol. III. 



Part I. 2d ed. Philadelphia, Blakiston. 431 p. 



8°. S4-50- 

 Collar, W. C. Practical Latin Composition. Boston, 



Ginn. 26S p. 16°. Si.to. 

 Elsmere Elsewhere ; or, bhifts and Makeshifts, Logical 



and Theological. Ev a disciple of James Freeman 



Clarke. Boston, Wm. Macdonald & Co. 167 p. 



24''- 



Froebel, Friedrich, Autobiography of. Tr, by Emihe 

 MichEelis and H. Keatley Moore. Syracuse, N. Y., 

 C. W. Rardeen. 167 p. 12^^. $1.50. 



Macdonald. D. Oceania: Linguistic and Anthropolo- 

 gical. Melbourne, M. L. Hutchinson ; London, 

 Sampson Low. 218 p, 16". 



Mercur, J. Elements of the Art of War 2d ed. New 

 York, Wiley. 302 p. S°. Si. 



National Electric Light Association, Proceedings of the, 

 at its Ninth Convention. Annual Meeting held at 

 Chicago, Feb. ly, 20. and 21, i88g. Vol VL Bos- 

 ton. Mass., Press of Modern Light and Heat. 261 p. 

 8°. 



New Jersey, Aonual Report of the Board of Education, 



nd the Superintendent of Public Instruction of. 



nden, bt: 



241 p. 



470 



Peabodv, C. H. Thermody 

 and other Heat-Engines 



p. 8^ Si. 



Sensrnig, D. M. Numbers Universalized : An Ad. 

 vanced Algebra. Part L New York. Boston, ant 

 Chicago, Appleton. 353 p. 12"^. 



Exchanges 



■ list 1 



[Exchanges an 

 Address N. D. 



York.l 



Send list of thost 



nished, and recei 



specimens and cl 



spondence solicited. — E. E. BoGi 



County, O. 



Lead, zinc, mundic, and calcite.- 

 tary Chapter 350, Carthage, Mo. 



I will sell to chapters or individu 



Agassiz Association, 2'-, fine specim 



and analyses for exchange. 



n. Also cabinet 

 Scientific corre- 

 Orwell, Ashta. 



from the Dakota group (cretaceous^ correctly named, for 

 $2.50. Send post-office order to Charles H. Sternberg 

 ' Young Fossil-Hunters "), 1033 Kentucky 



Street, L; 



Kan. 



One mounted single achromatic photographic lens for 

 making 4X5 pictures, in excellent condition ; also one 

 " new model " double dry-plate holder (4" X 5"), for fine 

 geological or mineralogical specimens, properly classi- 

 fied. —Charles E. Fnck, 1019 West Lehigh Avenue, 

 Philadelphia, Penn. 



Drawings from nature — animals, birds, insects, and 

 plants — to exchange for insects for cabinet; or I will 

 send them in sets of ten each for ten cents in stamps. 

 My drawings in botany are in detail, showing plant, 

 leaves, flowers, seed, stamens, pistils, etc. — Alda M. 

 Sharp, GJadbrook, lo. 



HEAVEN AND HELL, by EMAN- 

 UEL SWEDENBORG, 416 pages paper 

 cover. Mailed prepaid for 14 Cents by the 

 American Swedenborg Printing and Publish- 

 ing Society, 20 Cooper Union, New York 

 City. 



DAFT ELECTRIC LIGHT COMPANY. 



'6'' 



Power Stations. j..^^" Tii> Electric Railways. 



Stationary Motors 

 S to 100 H.P. 



Car Motors 15 to 

 250 H.P. 



Executive Office, 1 15 Broadway, N.Y. 



FACXORY, JtsRoIlY Cl 1 Y, N.J. Please Mention "science. ' 



GUARANTY INVESTMENT COMPANY 



CAPITAL $250,000. 



Hon. ALBERT H. HORTON (Chief Justice, Kansas Supreme Court), Topeka, Kan., Pres't. 



Y\} Guaranteed Farm Mortgages 7°|o 



The Company calls the special attention of Investors to the following points : 



I. All loans guaranteed and interest payable semi-annually at the Importers' & Traders' National Bank, New 

 York. 



II. Unusual fulness of information, not only about the security itself, but about the general development of the 

 section where the farm is located. 



III. An examination each year of the general business of the Company and the Mortgages themselves by a COM- 

 MITTEE OF INVESTORS sent for the purpose. 



IV. Many hundred Mortgages taken and NOT A SINGLE FORECLOSURE. 



V. Exhibitions in New York at frequent intervals, of Kansas and Nebraska Farm Products. The Exhibition at 

 the American Institute in the fall of 1888, received the HIGHEST A WARD of superiority. 



VI. Monthly Bulletins giving full information about all Mortgages offered for sale. 



Address for Monthly Bulletin and Investors' Committee Report for 18S8, 



HENRY A. RILEY, General Eastern Manager, 191 Broadway, N.Y. 



