THE WILSON BULLE 
A Quarterly Magazine Devoted to the Study of Birds. 
Official Organ of the Wilson Ornithological Club. 
Edited by LYNDS JONES. 
PUBLISHED BY THE CLUB, AT OBERLIN, OHIO. 
Price in the United States, Canada and Mexico, one dollara year, 30 cents anumber, post- 
paid. Price in all countries in the International Postal Union, $1.25 a*year, 40 cents 
anumber. Subscriptions may be sent to Lynds Jones, Oberlin, Ohio, or to Mr. Frank L. 
Burns, Berwyn, Penn. 
Officers of the Wilson Ornithological Club for 1911: 
President—Irank L. Burns, Berwyn, Pa. 
Vice-President—W. H. Saunders, London, Ont. 
Secretary—Benj. T. Gault, Glenn Wllyn, Tl. 
Treasurer—W. I°. Henninger, New Bremen, Ohio. 
Members of the Executive Council—Lynds Jones, Oberlin, O.; H. 
C. Oberholser, Washington, D. C.; B. H. Swales. Grosse Isle, Mich. 
Editorial 
The September number of the Bulletin will be wholly given over 
to Mr. Frank LL. Burns’ “A Monograph of the Broad-winged 
Hawk.” It will cover some 150 pages of the regular size, and 
will be amply illustrated. This is the work upon which Mr. 
Burns has been engaged for a number of years, and will come 
nearer being a complete life history of this hawk than anything 
that has been done for any other species thus far. This paper is 
an illustration of what the Wilson Ornithological Club was _ or- 
ganized to accomplish through its method of codperation in bird 
study. We have no need to commend the paper to anybody, for 
it commends itself. 
In another place in this issue there will be found a brief ac- 
count of a summer bird course which is being offered to inter- 
ested persons in general. In continuation of the work attempted 
last summer on Telee Island, Ontario, by the writer and his com- 
pany of eight students, August and the first half of September of 
