American (rnitolagists Unit 
Check-List of North American 
Birds 
Last Edition, 1910 
Cloth, 8vo, pp. 480 and two maps of North America, 
one a colored, faunal zone map, and one a locality map. 
The first authoritative and complete list of North 
American Birds published since the second edition of _ 
the Check-List in 1895. The ranges of species and 
geographical races have been carefully revised and 
greatly extended, and the names conform to the latest 
rulings of the A.O. U. Committee on Nomenclature. 
The numbering of the species is the same as in the 
second edition Price, including postage, $2.75. 
POCKET EDITION 
A pocket Check-List (3 by 5% inches) of North 
American Birds with only the numbers and the scientific 
and popular names. Alternate pages blank for the 
insertion of notes. Flexible covers. Price, including 
postage, 25 cents; or 10 copies for $2.00. 
Address JONATHAN DWIGHT 
134 W. 7\Ist St. New York City 
