SCIENCE. 



[Vol. XII. No. 291 



.IN THE WORLD. fSt 



'GOLDMEDAL^ 





"Mi 



Used by thousanda of first-class 

 methanics and by fiiic-h manufact- 

 urers as Pullman Palace Car Co., 

 Mibon A Hamlin Organ and Piano 

 Co &c., &c. 



Repairs Everything. 





very i 



Remember that THE 

 ^^L■i GENUINE LePage's Liquid 

 G lue 19 manufactured solely by the 



RUSSIA CEMENT CO, 



GLOUCESTER, MASS. 



Send 10c. and dealers' card who 

 ' "i stock, for sample 



KIMBALL'S SATIN STRAIGHT 

 CUT CIGARETTES. 



People of refined taste who 

 desire exceptionally fine cigar- 

 ettes should use only our 

 STRAIGHT CUT, put up 

 in satin packets and boxes of 

 los. 20s. 50s. and loos. 

 14 FIRST PRIZE MEDALS. 



^WM.. S. KIMBALL & CO. 



J. GRUNOW 



631 Sixth Avenue, New Tfork 



Established 1852 



Microscope Stands, 

 Oil Immersion Object- 

 ives and Abbe Con- 

 densers for Bacterial 

 and Histological work, 

 of Objectives, Camera 

 Lucida and otiier ac- 

 cessory apparatus. 



W.H.WALISLEY&CO. 



SUCCESSORS TO 



B. & J. BECK, 



1016 Ciiestnut Street Phila. 



Microscopes and all 

 Accessories and Ap- 

 paratus. Photograph- 

 ic and Photo-Micro- 

 graphic Apparatus and 

 Outfits. 



Spectacles, Eye 

 Glasses, Opera and 

 Marine Glasses, etc. 



Illustrated Price List 

 mailed free to any ad- 

 dress. Mention Science 

 in corresponding with us 



MAGIC 

 LANTERNS 



Stereopticons and the Best \ lew 

 or Public, Church, Home, ant 

 Scientific Exhibitions. Best appa 

 us, new views. Largest stock. Reduced prices. 2 

 ats' Practical Experience. Illus. Catalogue Free. 



GEO. H. PIERCE, 

 136 S. Eleventh St., Philadelphia, Pa. 



GOOD I^EWS 

 TO LADIES. 



fered. Kow'h y^ii 

 up orders fnr (ji 

 ~ and VuiSKv 



THH GRE.4.T AMERICAIV TEA t;p., 



SI and 33 Vesey St., New York. 



HYDRAULIC 



ELEVATORS and 

 WATER MOTORS. 



Send /or New Catalogue 



Tuerk Hydraulic Power Co. 



CHICAGO, 



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NEWYORK. 

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A TEMPORARY BINDER 



for Science is now ready, and will be mailed 

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Half Mo 



75 ' 

 t, durable 



This bindi 

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 lated for subsequent permanent bind- 

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 always 



N. D. C. HODGES, 



47 Lafayette Place, New York. 



ANEW MAGAZINE-THE SWISS 

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nature among the people. Edited Vj n U O O 



by H..\.RLAN H. Ballakd, Presidentof the Agiissiz Asao- 

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N. D. C. HODGES. Publisher, 

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A NEW CORSET. 



JAMES McCREEBY & CO. are 



introducing- a Corset whicli they 

 recommend as the best they have 

 ever had at the price — one dollar. 

 They are made in white and in 

 drab, are silk-stitched, edged with 

 lace, and are perfect fitting. 



MAIL ORDERS ARE PROMPT- 

 LY EXECUTED. 



JAMES McCREERY & CO. 



BROADWAY AND ELEVENTH STREET, 



NEW YORK. 



Positions Vacant, 



Inquiries from employers in want of those skilled in any 

 department of science in its widest sense will be inserted 

 inthis column WITHOUT CHARGE. 



The labor and expense involved in ascertaining what 

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 in attending to the correspondence of applicants, are in- 

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Applicants should enclose the necessary postage for 

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Price, $ 3500 



It Stands at the Head! 



20,000 in daily 

 use. 



— ithe; m:ost: — 

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 Durable 

 and Rapid 



WRITING MACHINE 



Office, Library, and 

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For printed matter, etc., address — 



THE AMERICAN WRITING MACHINE CO., 



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A=R=tlART= "JOS^TRIPR 

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illustr-aTiVe 



AND ADVERTISINQ 

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