Egg-laying characteristics of the hen
By: by James Dryden.
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 180.; Station bulletin (Oregon Agricultural College.  Experiment Station) -- 180.
Publisher: Oregon Agricultural College Experiment Station
Published: 1921
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 96
Subjects: Chickens; Eggs -- Production
Notes: Cover title.