Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Insects Decade 1940-1949 Degree Name Doctor of Philosophy (Ph.D.)

Some factors in the development of northwestern entomology

Creator:

Bonnell, Daniel Ernest

Resource Type:

Dissertation

Full Text:

founded upon agri- culture and forest industry. The losses in these two categories, due to insect ravages