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A study of the incubation periods of birds; what determines their lengths, by W. H. Bergtold ..
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Catalog Data
Author:
Bergtold, William Harry 1865-
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Physical description:
100 p. 24 cm
Type:
Electronic resources
Date:
1917
Notes:
Also available online.
Elecresource
Copy 2 inscribed by author.
Topic:
Birds--Nests
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Birds--Eggs
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Call number:
QL698 .B49
QL698.B49
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_64610