KEY TO 



NORTH AMERICAN BIRDS. 



BY ELLIOTT COUES, M.D. 



This work (v,n-ists of :>(:!) linp"rial Sro pacjcs, and is illustrated by G Steel I'lates 

 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 INTRODUCTORY part gives a general account of the 



ANATOMY AND CLASSIFICATION OP BIRDS 



and full Explanations of all 1 1 r,- 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. 



Price $7 it Copy in Full Clotli Ifiiiicling . 



PUBLISHED BY THE 



NATURALISTS' AGENCY, Salein, Mass. 



(Prospectus furnished on application.} 



WE GIVE BELOW A FEAV NOTICES OF THE PRESS WHICH WILL GIVE A GENERAL 

 IDEA OF THE VALUE 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 every page the extent of his general information and the 

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

 from that usually adopted by systematic writers; * * * there is a freshness 

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

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



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

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

 Saturday lievieiv (London), Feb. 22, 1S73. 



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

 slight faults 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, M'ith the exotic as well as North American families 

 of the aviau class. In the descriptions of the species, Dr. Coues lias shown a 



[continued on 3d page. 



