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Additional List of Insects Taken in Alpine Region of Mt. Washington.
Vol 11, Page 319, Date 1900
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Some notes and descriptions of seven new species and one new genus of Diptera
Vol 11, Page 323, Date 1900
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Description of a Variety of Argynnis Nitocris from Chihuahua, Mexico
Vol 11, Page 332, Date 1900
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Some new genera and species of N. A. Tineina
Vol 11, Page 349, Date 1900
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Two new genera of Diptera
Vol 11, Page 429, Date 1900
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A new genus of Atropidae
Vol 11, Page 431, Date 1900
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Notes on a few Wyoming dragonflies. [1]
Vol 11, Page 453, Date 1900
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List of a small collection of Coleoptera from Arctic Alaska
Vol 11, Page 459, Date 1900
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Notes on Clastoptera (Cercopidae)
Vol 11, Page 463, Date 1900
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Coleoptera of Central Illinois - No. III
Vol 11, Page 468, Date 1900
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The destructive Diplosis of the Monterey pine
Vol 11, Page 489, Date 1900
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New Scenopinidae from the United States
Vol 11, Page 500, Date 1900
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A neglected Platymetopius
Vol 11, Page 501, Date 1900
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Coleopterous fauna of Phoenix, Arizona and surrounding regions
Vol 11, Page 561, Date 1900
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A new Eriococcus, with remarks on other species
Vol 11, Page 594, Date 1900
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A new species of Myrmeleon from Texas
Vol 11, Page 596, Date 1900
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Some Hymenopterous parasites from dragon-fly eggs.
Vol 11, Page 615, Date 1900
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Notes on Coleoptera
Vol 11, Page 619, Date 1900
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Some new exotic parasitic Hymenoptera.
Vol 11, Page 623, Date 1900