KEY TO 



NORTH AMERICAN BIRDS. 



BY ELLIOTT COUES, M.D. 



This work consists of 369 Imperial 8vo pages, and is illiistraterl bv 6 Steel Plates 

 and 238 Woodcuts. It is designed as a Manual or Text Book of the' 



BIRDS OF NORTH AMERICA, 



and is an exponent of the latest views in Ornithology. 

 The INTKODUCTOET part gives a general account of the 



ANATOMY AND OLASSIPIOATION Or BIEDS 



and full Explanations of all the Terms Used in Ornithology; a KEY to the 

 Genera and Subgenera follows in the form of a continuous artificial table, while a 



Synopsis of Living and Fossil Birds 



contains concise descriptions of every North American Species known at this time, 

 with characters of the higher groups and remarks relating to forms not found in 

 North America. 



Pi-ice $7 a Copy in Full Clotli Binding*. 



Published by the 



NATURALISTS' AGENCY, Salem, Mass. 



(^Jh-ospectus furnished on application.) 



We give below a few notices of the press which will give a general 

 IDEA of the valde of this work. 



" The reputation of the author, who is so well known by his works on sea-birds, 

 and for the anatomy of the loon, cannot but be increased by this production, 

 which illustrates on eyevj page the extent of his general information and the 

 soundness of his judgment. The subject is treated in a manner rather different 

 from that usually adopted by systematic writers; * * * there is a fl'eshness 

 and boldness in the manner in which facts are handled, which will be extremely 

 acceptable."— Nature (London), May 8, 1873, p. 22. ' . 



" Mr. Coues' ' Key to North American Birds,' somewhat curiously entitled, is a 

 very large and handsome volume, beautifully prfbted and proftasely illustrated." 

 — Saturday Review (London), Feb. 22, 1873. 



" A critical examination of Dr. Coues' book reveals, it is true, here and there, 

 Blight faults of execution, but they iu uo way detract essentially from its value as 

 a reliable hand-book, and one well suited to meet the wants of beginners iu orni- 

 thology, while it affords ut the same time a standard and convenient work of ref- 

 erence for advanced students and even specialists. * * * The reader is made 

 acquainted, in a general way, with the exotic as well as North American families 

 of the avian class. In the descriptions of the species, Dr. Coues has shown a 



