PUBLICATIONS OF THE NATURALISTS' AGENCY. 

 IN PRESS TO BE ISSUED EARLY IN AUTUMN. 



T 



NORTH AMERICAN BIRDS. 



BY ELLIOTT COUES, M.D. 



This work will consist of about 300 Imperial 8ro pages, and will be 

 illustrated by 6 Steel Plates and upwards of 250 Wood Cuts. It is designed 

 as a Manual or Text Book of the 



BIRDS OP NORTH AMERICA, 



and will be an exponent of the latest views in Ornithology. 

 The INTRODUCTORY part will give a general account of the 



ANATOMY AND CLASSIFICATION OF BIRDS, 



and full Explanations of all the Terms Used in ORNITHOLOGY: a KEY to 

 the Genera and Subgenera will follow in the form of a continuous artificial 

 table, while a 



Synopsis of Living and Fossil Birds 



will contain concise descriptions of every North American Species known 

 to this time, with characters of the higher groups and remarks relating 

 to forms not found in North America. 



Price $tt.OO a Copy in Full Cloth Kimling-. 



THE TRADE SUPPLIED OUT THE USUAL TERMS. 



Address all orders to the 



NATURALISTS' AGENCY, SALEM, MASS. 



[Prospectus furnished on application.'] 

 PUBLICATION OF 



WORKS ON NATURAL HISTORY. 



THE NATURALISTS' A Gr E 3ST C Y 



has, by its connection with the 



SALEM PRESS, 



unrivalled facilities for the printing of works on Natural History, while the several 

 artists and engravers employed in illustrating the NATUKALIST, and other publications 

 issued from the Salem Press, enable us to have any desired style of engraving executed 

 with despatch at the lowest prices. 



The valuable medium of advertising furnished by the NATURALIST, and the connec- 

 tion of the AGENCY with the trade throughout the country anil with the leading houses 

 of Europe, enables us to place a work in the market at once, in a thorough and desir- 

 able manner. 



With these favorable conditions at hand, we request authors of proposed publications 

 in any department of Natural History to communicate with us in relation to the print- 

 ing and publication of their works. 



Address Naturalists' Agency, Salem, Mass. 



Or DODD & MEAD, 762 BROADWAY, 



The Neio York Branch of the Agency. 



