Metcalf, C. L. 1888-1948.
Destructive and useful insects: their habits and control, by C.L. Metcalf and W.P. Flint; revised by R.L. Metcalf. - 3d ed. - New York, McGraw-Hill, 1951. - xiv, 1071 p. illus., maps. 24 cm. - McGraw-Hill publications in the agricultural sciences .
Includes "References."
agr51000521
GB51-6649
Insects, Injurious and beneficial.
SB931 / .M45 1951
632.7
Destructive and useful insects: their habits and control, by C.L. Metcalf and W.P. Flint; revised by R.L. Metcalf. - 3d ed. - New York, McGraw-Hill, 1951. - xiv, 1071 p. illus., maps. 24 cm. - McGraw-Hill publications in the agricultural sciences .
Includes "References."
agr51000521
GB51-6649
Insects, Injurious and beneficial.
SB931 / .M45 1951
632.7