PUBLICATIONS OF THE 



AMERICAN ORNITHOLOGISTS' UNION 



FOR SALE AT THE FOLLOWING PRICES: 



The Auk. Complete set, Volumes I-XXXV, (1884-1918) in origi- 

 nal covers, $117.00. 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-XXVII, 1884-1900) and Bulletin of the 

 Nuttall Ornithological Club (Vols. I-VIII, 1876-1883), 8vo, pp. 

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



Index to The Auk (Vols. XXVIII-XXXVII, 1901-1910), 8vo, 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. $3.00. 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, 3j X 5| inches. 30 cents. 



Code of Nomenclature. Revised edition, 1908. Paper, 8vo, pp. 

 lxxxv. 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. Post-paid 50 cents. 



Address JONATHAN DWIGHT 



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



The Cosmos Press, Cambridge. Massachusetts. 



