Hardcover. Good. Text is clean & unmarked; previous owner's name written inside front cover. Discoloration to spine bottom; mild sun-fading along spine. No DJ. 216 pp.
PART I-Biological Control of Pests of Crops, Fruit Trees,
Ornamentals, and Weeds in Canada up to 195"9
by J. H. McLeod
PART II-Biological Control of Forest Insects, 1910-195"8
by B. M. McGugan and H. C. Coppel