The American Naturalist 



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THE SCIENCE PRESS 

 Lancaster, Pa. Garrison, N. Y. 



NEW YORK : Sub-Station 84 



TO ORNITHOLOGISTS 

 AND MUSEUMS 



57 Haverstock Hill, N.W., Er 



Begs to announce the publication of 

 Price List (No. 11) of Bird Skins, 

 catalogue contains over 5,000 species, an 

 largest and most complete price list o 

 erer published. It is arranged in sysl 



Museum " Catalogue of Birds," with a 

 names, indications of localities, and an 

 to families. It will be sent gratis an 



Fifty Years of Darwinism 



Henry Holt & Company 



34 West 33d St., New York 

 378 Wabash Ave., Chicago 



Microscopes and Accessories 



Hand Cameras of Highest 

 Binoculars, Prism and uaiuean 



Scientific Instruments 



Laboratory Apparatus 



Max Meyer K«. New York 



