SOME COMMON BIRDS USEFUL TO THE FARMER.[1]

By F. E. L. Beal, Late _Assistant Biologist, Division of Food Habits

Research, Bureau of Biological Survey_.

[1] This bulletin is largely a revision of Farmers' Bulletin 54, by

Prof. F. E. L. Beal. The parts relating to the crow and blue Jay were

contributed by E. R. Kalmbach, assistant biologist, and the discussion

of the nighthawk and bobwhite by W. L. McAtee, in charge. Food Habits

Research. Professor Beal, author of the remainder of the bulletin, died

October 1, 1916.

Some Common Birds Useful to the Farmer (1926 edition) · 第 8 / 38 题