July 26, 1889.J 



SCIENCE. 



1 



received at Editor's Office, 

 July 1-6. 



Alden's Manifold Cyclopedia of Knowledge and Lan- 

 KuaEe. Vol. XIV, Exclude to Floyd, New Yoik, 

 J. B, Alden. ia°, 50 cents, 



Boone. R, G. Education in the United States: its His- 

 tory from the Earliest Settlements, New York, Ap- 

 pleton, 402 p, 12^, $1,50 



Ceoll, J, Stellar Evolution and its Relations to Geolog- 

 ical Time. New York, Appleton, 118 p, 



Daudet, a. La Belle-Nivernaise, Ed, by Jai 

 Boston, Heath, loi p, 16°. 

 NSON, W. W, A Treatise 

 Differential Eq 

 12°, $3,50. 



Pennsylvania Geolog 

 Field, 



Jo 



i Boielle. 



Ordinary and Partial 

 V York, Wiley, 368 p. 



Atlas Northern An- 



8 maps, f» 



Part IV. Harrisburg, Geol. Sur 

 Books of Homer's 



Seymour, T, D, The First Th: 



Iliad, Boston, Ginn T05 p 12''. 81,35. 



SiZER, N, Right Selection in Wedlock : Marriage not a 

 Failure, (The Human-Nature Library, No, 8.) New 

 York, Fowler & Wells Co. 31 p. 16°. 10 cents. 



U. S. War Department. Appendices Nos. 24, 27, 28, 

 29, 30, and 31 of Annual Report of the Chief Signal 

 Officer. i388. Washmgton. Government. 57p. S">. 



Van Daell, A. N. Pages Choisies des Memoires du due 

 de Saint-Simon Boston, Ginn. 236 p. 12°. 75 cents. 



Wajtis. 



A YOUNG MAN can have lucrative engage- 

 ment, not only a fixed salary, but accord- 

 ing to his work accomplished in travelling for 

 Science. A personal interview invited. 

 N. D. C. HODGES, 



47 Lafayette Place, New York. 



IX/T ECHANICIAN,— An optician and maker 

 -'■'-*■ of instruments of precision of experience 

 would be glad of a position where his skill 

 would be valued in connection with some higher 

 educational institution. Address G. J., care of 

 Science, 47 Lafayette Place, New York. 



HEAVEN AND HELL, by EMAN- 

 UEL SWEDENBORG, 416 pages, paper 

 cover. Mailed pre-paid for 14 Cents by the 

 American Swedenborg Printing and Publish- 

 ing Society, 20 Cooper Union, New York 

 City. 



" The Week, one of the ableat papers on the con- 

 tinent." — Descriptive America. 



ENLARGED AND IMPROVED. 



THE WEEK: 



A Canadian Journal of Politics., Literature., Science 



and Arts. 



PUBLISHED EVERY FRIDAY. 



$3.00 per Year. $i.oo for Four Months. 



THE WEEK has entered on its SIXTH year of pulD- 

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The independence in politics and criticism which 

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As heretofore, Pkof. Golbwin Smith will, from 

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THE WEEK In its enlarged form will be the same 

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SEND FOK FREE SAMPLE COPY. 



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A TEMPORARY BINDER 



for Science is now ready, and will be mailed 



postpaid on receipt of price. 



Half Morocco - 75 cents. 



This binder is strong, durable and 

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N. D. C, HODGES, 



47 Lafayette Place, N. Y. 



Mineral Lands. 



MANGANESE DEPOSITS. —A rich de- 

 post of Manganese is for sale. Apply to H. 

 N., care of Science, 47 Lafayette Place, New 

 York. 



GOLD-BEARING QUARTZ VEINS.— 

 Any one wishing to engage in gold mining will 

 learn of a newly discovered vein by applying to 

 H N., care of Science, 47 Lafayette Place, New 

 York. 



RED SLATE. — A valuable deposit of red 

 slate for sale. Apply to H. N,, care of Scietice, 

 47 Lafayette Place, New York. 



A NEW MICROSCOPE. 



Having invented an improved form of micro- 

 scope, I will assign an intercut in the patent for 

 financial assistance in manufacluring. It is be- 

 lieved that a pov.'erful instrument may be made 

 on the new principle at low cost. 



FRANK ANTON BECKER, 530 E, 16th St, N.Y. 



GUARANTY INYESTMENT COMPANY 



CAPITAL $250,000. 



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



71 Guaranteed Farm Mortgages ~f\ 







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 1888, 



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



