PUBLICATIONS OF THE 
AMERICAN ORNITHOLOGISTS’ UNION 
FOR SALE AT THE FOLLOWING PRICES: 
The Auk. Complete set, Volumes I-X XXII, (1884-1915) in origi- 
nal covers, $108.00. Volumes I-VI are sold only with complete 
sets, other volumes, $3.00 each; 75 cents for single numbers. 
Index to The Auk (Vols. I-XVII, 1884-1900) and Bulletin of the 
Nuttall Ornithological Club (Vols. I-VIIT, 1876-1883), 8vo, pp. 
vil + 426, 1908. Cloth, $3.75; paper, $3.25. 
Index to The Auk (\ols. XVIII-XXVII, 1901-1910), Svo, pp 
xviii + 250, 1915. Cloth, $3.00; paper, $2.00. 
Check-List of North American Birds. Third edition, revised, 
1910. Cloth, 8vo., pp. 426, and 2 maps. $2.50, net, postage 
25 cents. Second edition, revised, 1895. Cloth, 8vo, pp. xi + 
372. $1.15. Original edition 1886. Out of print. 
Abridged Check-List of North American Birds. 1889. (Abridged 
and revised from the original edition). Paper, 8vo, pp. 71, printed 
on one side of the page. 25 cents. 
Pocket Check-List of North American Birds. (Abridged from 
the third edition). Flexible cover, 3} X 5? inches. 25 cents. 
10 copies for $2.00. : 
Code of Nomenclature. Revised edition, 1908. Paper, 8vo, pp. 
Ixxxv. 50 cents. 
Original edition, 1892. Paper, 8vo, pp. iv + 72. 25 cents. 
A. O. U. Official Badge. An attractive gold and blue enamel 
pin, with Auk design, for use at meetings or on other 
occasions. Postpaid 50 cents. 
Address JONATHAN DWIGHT 
(64 We alist 2St, New York, N. Y. 
