The American Naturalist 



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THE SCIENCE PRESS 

 Lancaster, Pa. Garrison, N. Y. 



NEW YORK : Sub-Station 84 



FOR SALE 



ARCTIC, ICELAND and GREENLAND 

 BIRDS' SKINS, 



G. D I N ESE n" ' b iir d°c o 11 ecto r 



To Ornithologists 

 and Museums 



W. F. H. ROSENBERG 

 Importer of Exotic Zoological Specimens 



57, HAVERSTOCK HILL 

 London N. W., ENQLAN D 



Begs to announce the publication of a new Price List 

 (No. 17) of BIRD SKINS. This catalogue con- 

 tains nearly 6, 000 species, and is the largest and 



is arranged in systematic order with authors' names, 

 indications of localities, and an index to Families. 

 It will be sent gratis and post free on application, as 

 will the following lists : 



No. 14, Mammals; No. 15, Bird's Eggs; No. 16, 

 Reptiles, Amphibia and Fishes ; No. 12, Lepidoptera i 

 No. 13, Coleoptera. 



Largest stock in the world of specimens in all 

 branches of Zoology. Specimens sent on approval. 

 Please state which lists are required. 



TENTH EDITION. 



THE MICROSCOPE, 



an introduction to Microscopic Methods and to B^ to J°|£ 

 by Simon Hrset Gags, ef Cornell University, 

 350 large octavo pages and above 250 figures in tliu a«w 

 and fully revised edition. Price $2.00, postpaid. 

 COMSTOCK PUBLISHING CO.. Ithaca, N. V. 



FINE LAND 5HELL5 



The University of Chicago 



