Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

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Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

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Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

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Entomological news.

v. 44-45 1933

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

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Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

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Proceedings of the Entomological Society of Washington.

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Entomological news.

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The birds of eastern North America known to occur east of the ninetieth meridian ... by Charles B. Cory ...

pt.2

The birds of eastern North America known to occur east of the ninetieth meridian ... by Charles B. Cory ...

pt.1

Useful plants of the Siona and Secoya Indians of eastern Ecuador / William T. Vickers, Timothy Plowman.

n.s. no.15(1984)

Entomological news.

v. 42-43 1931

Mammals from western Venezuela and eastern Colombia, by Wilfred H. Osgood.

v.10:no.5(1912)

Entomological news.

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Journal of Hymenoptera research.

v. 15, no. 2, 2006