Warble flies
Subtitle: the economic aspect and a contribution on the biology of
By: by Seymour Hadwen
Series: Canada. Dept. of Agriculture. Health of Animals Branch. Scientific series. Bulletin -- no. 16. Nov. 25th, 1912
Published: 1912
Place of publication: Ottawa
Language: eng
Number of pages: 20
Subjects: Oestridae
Other titles: Economic aspect of warble flies.
Notes: Cover-title.

"Published by authority of the Minister of agriculture."