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Zoologie

With Descriptions of Their Plumage, Habits, Food, Song, Nests, Eggs, Times of Arrival and Departure

Consequences and Responsibilities That Arise from Dual Cognition

By Major J. Stevenson-Hamilton

Illinois Biological Monographs V. 6, No. 4

For Teachers and Parents: Based on the Cornell Nature-study Leaflets, With Much Additional Material and Many new Illustrations