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Proceedings of the California Academy of Sciences, 4th series ser.4:v.20 (1931-1933)
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Geographic variation in the Richardson grouse
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By: Swarth, Harry S. (Harry Schelwald),
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1931
Page Range: 1--7
Publication info: San Francisco California Academy of Sciences
The flora of the Revillagigedo Islands
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By: Johnston, I. M. (Ivan Murray),
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1931
Page Range: 9--104
Publication info: San Francisco California Academy of Sciences
The genus Pogogyne
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By: Howell, John Thomas,
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1931
Page Range: 105--128
Publication info: San Francisco California Academy of Sciences
New species of plants from Western North America
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By: Eastwood, Alice,
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1931
Page Range: 135--160
Publication info: San Francisco California Academy of Sciences
The diatoms of Sharktooth Hill, Kern County, California
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By: Hanna, G Dallas
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1932
Page Range: 161--263
Publication info: San Francisco California Academy of Sciences
A new subspecies of coral snake from Guatemala
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By: Schmidt, Karl Patterson,
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1932
Page Range: 265--67
Publication info: San Francisco California Academy of Sciences
Birds and mammals from the Kootenay Valley, Southeastern British Columbia
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By: Mailliard, Joseph
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1932
Page Range: 269--290
Publication info: San Francisco California Academy of Sciences
Miscellaneous studies in the Elateridae and related families of Coleoptera
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By: Van Dyke, Edwin C.,
Type: Article
In: Proceedings of the California Academy of Sciences, 4th series
Volume: 20
Series: 4
Date: 1932
Page Range: 291--465
Publication info: San Francisco California Academy of Sciences