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THE SCIENCE PRESS 

 Lancaster, Pa. Garrison, N. Y. 



NEW YORK : Sub-Station 84 



TO ORNITHOLOGISTS 



AND MUSEUMS 



W. F. H. ROSENBERG 



Impo, ter of Erotic Zoological Specimens 



57 Haverstock Hill, N.W., England 



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 



order, based on the classification of the British 

 Mnsenm "Catalogue of Birds," with authors' 



plication, as will the following li 

 Mammals ; No. 8, Birds' E{ 

 , Reptiles, Amphibia, and Fish* 



Fifty Years of Darwinism 



Comprising the eleven addresses in hoi 

 of Charles Darwin delivered before i 



8vo, 274 pp. $2.00, net. 



CONTENTS : Introduction, T. C. Cham- 

 berlin, Walker Museum ; Fifty Years of Dar- 

 winism, Edward B. Poalton,Oxford University; 

 TheTheory of Natural Selection from the Stand- 

 point of Botany, John M. Coulter, University 

 of Chicago ; Isolation as a Factor in Organic 



, Davi 



versity ; The Cell in Relation to Heredity and 

 Evolution, Edmund B. Wilson, Columbia Uni- 

 versity ; The Direct Influence of Environment. 

 Dr. D. T. MacDougal, Carnegie Institution of 



I 



Mutation, Chan. B. Davenport, Station fo 

 perimental Evolution, Cold Spring Ha 

 Adaptation, Carl H. Eigenmann, Indiana 



>rn, Col 



Henry Holt & Company 



