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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 1--1
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Berry, S. Stillman (Samuel Stillman),
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 2--6
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Calvert, Philip Powell,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 205--205
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Pilsbry, Henry Augustus,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 207--230
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Hebard, Morgan,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 231--250
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Hebard, Morgan,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 251--275
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Jordan, David Starr,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 279--279
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Hubbs, Carl L. (Carl Leavitt),
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1917
Page Range: 305--308
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Pilsbry, Henry Augustus,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 69
Date: 1918
Page Range: 309--333
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,