KEY TO 



NORTH AMERICAN BIRDS 



BY ELLIOTT COUES, M.D. 



This work consists of 3('.0 Imperial Sro par/es, ami is illustratetl by G Steel Plates 

 and 238 Woodcuts. It is designed as a Maniial or Text Book of tlie 



BIRDS OP NORTH AMERICA, 



and is an exponent of the latest views in Ornithology. 

 The Introductory part gives a general account of the 



ANATOMY AND OLASSIPIOATION OP BIEDS 



and full Explanations of all the Terms Used in Orn'ithology : a KEY to the 

 Genera amd Subgenera follows in the form of a continuous artilioial table, wliile a 



Synopsis of Living and Fossil Birds 



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

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

 North America. 



Price $7 a Copy in f'uli CSotli JSindiiig*. 



Published by the 



NATURALISTS' AGENCY, Salem, Mass. 



{Prospectus furnished on application.^ 



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

 idea of the value of this w^ork. 



" 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 every page the extent of his general information and the 

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

 from that usually adopted by sytteraatic writers; * * * tliere is a freshness 

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

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



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

 very large and handsome volume, beautifully printed and profusely illustrated." 

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



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

 slightfaults of execution, but they in no way detract essentially from its value as 

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

 thology, while it affords at 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 cpecies, Dr. Coues has shown a 



