INTRODUCTION. 31 
34. The Wilson Bulletin. Official organ of the Wilson Ornitholog- 
ical Club. W. F. Henninger, Treasurer, New Bremen, Ohio. 
Annual subscription $1.00. 
35. Bulletin of the Michigan Ornithological Club. Vols. 1 (1897) 
to VI (1905), with some omissions. Publication discontinued 
in 1905. 
36. A. O. U. Check List of North American Birds. (Check List 
prepared for the American Ornithologists’ Union) Third 
Edition, 1910. Price, $2.50. Address Jonathan Dwight, Jr., 
134 W. 71st St., N. Y. City. 
