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Journal of the Academy of Natural Sciences of Philadelphia ser.2:v.2 (1850-1854)
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Synopsis of the species of Pterostichus Bon. and allied genera inhabiting temperate North America
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By: LeConte, John L. (John Lawrence),
Type: Article
In: Journal of the Academy of Natural Sciences of Philadelphia
Volume: 2
Series: 2
Date: 1852
Page Range: 225--256
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia, 1817-1918