SCIENCE. 



[Vol. XII. No. 300 



Unequalled for Health, Comfort 

 and Durability. 



SOLD BY LEADING MEECHAHTS. 



WARNER BROS.. 



359 BROADWAY, NEW YORK, 



foN\ETHIN(3 



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Its success has brought a lot of 

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GI aUCESTER, JIASS. 

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Microscope Stands, 

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■-■^"S-e^lOPTICONS 



|To;R.SG-mJOUS COLLEGES '^ 

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57. H. WALISLEY & CO. 



R. & J. BECK, 



1016 Chestnut Street Phiia. 



Microscopes and all 

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Spectacles, Eye 

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Illustrated Price List 

 mailed free to any ad- 

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KIMBALL'S 



STRAIGHT CUT 



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Unsurpassed in quality. 



Used by people of refined taste. 

 Highest award at Brussels, 1888. 

 The finest smokini 



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GOOD l^3EWS 

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1. .Xow's yuiir time to got 

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For Sale by all Stationers. 



THE ESTERBROOK STEEL PEN CO., 



Works : Camden. N. J. '.26 Joliu St.. New York. 



A TEMPORARY BINDER 



for Science is now ready, and will be mailed 

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Cloth 

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This binder is strong, durable and 

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N. D. C. HODGES, 



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A NEW MAGAZINE-THE SWISS 



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MAGIC Stereopticons and the Best Views 



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GEO. H. PIERCE, 

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Send for Catalogue and price-list. 



DANIEL GREEN & CO., t22 East 13th Street, New York. 



,, . . hV-'JOtlf H^ST1NQS= 



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EI^N CH -AT 7.2 a■C^tE5TMUr >5T! 



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