THE AUK 



A Quarterly Journal of Ornithology 



ORGAN OF THE AMERICAN ORNITHOLOGISTS' UNION 



Edited by Dr. Witmer Stone 



Academy of Natural Sciences, Logan Square, 

 Philadelphia, Pa. 



To whom all articles and communications intended for publi- 

 cation and all books and publications for review should be sent. 



Manuscripts for leading articles must await their turn for publi- 

 cation if others are already on file, but they must be in the editor's 

 hands at least six weeks before the date of issue of the number for 

 which they are intended, and manuscripts for 'General Notes,' 

 'Recent Literature,' etc., not later than the first of the month 

 preceding the date of issue of the number in which it is desired 

 they shall appear. 



Twenty-five copies of leading articles are furnished to authors 

 free of charge. Additional copies or reprints from 'General Notes,' 

 'Correspondence,' etc., must be ordered from the editor. 



THE OFFICE OF PUBLICATION 

 8 West King Street, Lancaster, Pa. 



Subscriptions may also be sent to Dr. Jonathan Dwight, 

 Business Manager, 43 West 70th St., New York, N. Y. Foreign 

 Subscribers may secure 'The Auk' through Witherby & Co., 326 

 High Holborn, London, W. C. 



Subscription, $3.00 a year. Single numbers, 75 cents. 



Free to Honorary Fellows, and to Fellows, Members, and Asso- 

 ciates of the A. O. U.. not in arrears for dues. 



OFFICERS OF THE AMERICAN ORNITHOLOGISTS' UNION 



President, John Hall Sage, Portland, Conn. 



Vice-Presidents, Witmer Stone, Academy of Natural Sciences, 



Philadelphia. George Bird Grinnell, 238 E. 15th St., New 



York. 

 Secretary, T. S. Palmer, 1939 Biltmore St., Washington, D. C. 

 Treasurer, Jonathan Dwight, 43 W. 70th St., New York. 



SEPARATES FOR SALE 



In order to meet a general demand for separates of the leading 

 articles published in 'The Auk' arrangements have been made to 

 furnish copies of any leading article published in the present issue 

 and following issues, at 25 cents each, post paid. 



Orders for these separates should be addressed to the editor: 



DR. WITMER STONE, 



academy of natural sciences, 



logan square, philadelphia, pa. 



