The American Naturalist 



Further reprints will be supplied at cost. 



Subscriptions and advertisements should be sent 

 subscription price is four dollars a year. Foreign postage is fifty 

 twenty-five cents additional. The charge for * ' 

 The adv( 



The 



thirty-five cents. The advertising rates are Four Dollars for a page. 



THE SCIENCE PRESS 

 Lancaster, Pa. Garrison, N. Y. 



NEW YORK : Sub-Station 84 



CongreBS of March 3, 



THE BULLETIN— For bargains in Ethnolograph. 

 Sistory, Science, Travel, Voyages, etc. See The 

 4 Duke St., Adelphi— London— England 



Fifty Years of Darwinism 



Comprising the eleven addresses in honor 

 of Charles Darwin delivered before the 



NATURE 

 BOOKS 



8vo, 274 pp. $2.00, net. 



Henry Holt & Company 



34 West 33d St., New York 

 378 Wabash Ave., Chicago 



FRANKLIN BOOKSHOP 



S. N. RHOADS, Prop. 



920 Walnut St. Philadelphia 



Microscopes and Accessories 



Hand Cameras of Highest Quality 

 Binoculars, Prism and Galilean 



Scientific Instruments 



Laboratory Apparatus 



Max Meyer E! New York 



Second-hand Books Relating 1 to 

 Natural History. 

 Write for New Catalog. 



