The American Naturalist 



MSS intended for publication and books, etc., intended for review should be 

 sent to the Editor of THE AMERICAN NATURALIST, Garrison-on-Hudson, New York. 



tion are especially welcome, and will be given preference In publication. 8 



One hundred reprints of contributions are supplied to authors free of charge. 

 Further reprints will be supplied at cost. 



Subscriptions and advertisements should be sent to the publishers. The 

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

 Canadian postage twenty-five cents additional. The charge for single copies is 

 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 



TO ORNITHOLOGISTS 





Fifty Years of Darwinism 



AND MUSEUMS 





Comprising the eleven addresses in honor 

 of Charles Darwin delivered before the 



W. F. H. ROSENBERG 





ment of Science. 



Importer of Exotic Zoological Specimens 



57 Haverstock Hill, N.W., England 





8vo, 274 pp. 12.00, net. 



Begs to announce the publication of a new 

 Price List (No. 11) of Bird Skins. This 

 catalogue contains over 5,000 species, and is the 

 largest and most complete price list of birds 

 ever published. It is arranged in systematic 

 order, based on the classification of the British 

 Museum «« Catalogue of Birds," with authors' 

 names, indications of localities, and an index 

 to families. It will be sent gratis and post 



No. 7, Mammals ; No. 8, Birds' Eggs ; 

 No. 9, Reptiles, Amphibia, and Fishes. 





Henry Holt & Company 



34 West 33d St., New York 

 378 Wabash Ave., Chicago 







Microscopes and Accessories 



Hand Cameras of Highest Quality 

 Binoculars, Prism and Galilean 



Largest stock in the world of specimens 

 in all branches of Zoology. 



Specimens sent on approval. 



j Scientific Instruments 



Laboratory Apparatus 



! Max Meyer New York 



' "Quality, Prices, Service Riffht." 



