PUBLICATIONS OF THE 



AMERICAN ORNITHOLOGISTS' UNION 



FOR SALE AT THE FOLLOWING PRICES: 



The Auk. Complete set. Volumes I-XXXII, (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-VIII, 1876-1883), 8vo, pp. 

 vii + 426, 1908. Cloth, $3.75; paper, $3.25. 



Index to The Auk (Vols. 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 4- 

 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, Svo, 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, 3j X 5| inches. 25 cents. 

 10 copies for $2.00. 



Code of Nomenclature. Revised edition, 1908. Paper, Svo, pp. 

 Ixxxv. 50 cents. 

 Original edition, 1892. Paper, Svo, pp. iv + 72. 25 cents. 



A. 0. 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 



134 W. 71st St., New York, N. Y. 



