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Semi-tropical Texas
Vol 4, Page 1, Date 1896
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On the genera of the Eupelminae
Vol 4, Page 4, Date 1896
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A pod-inhabiting longicorn found at the Columbian Exposition
Vol 4, Page 42, Date 1896
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Notes on the lerp insects (Psyllidae) of Australia
Vol 4, Page 66, Date 1898
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Descriptions of five new Hymenopterous parasites on Canarsia hammondi (Riley)
Vol 4, Page 124, Date 1898
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A new species of Roptronia
Vol 4, Page 132, Date 1897
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On some parasites of Coccidae with descriptions of two new genera of Aphelininae
Vol 4, Page 133, Date 1898
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Part 2. - Descriptions of new parasitic Hymenoptera
Vol 4, Page 155, Date 1898
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Three new species of Chrysopidae
Vol 4, Page 173, Date 1897
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Some spiders from northern Louisiana
Vol 4, Page 188, Date 1899
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Note on the Cedrela psyllids (genus Freysuila Aleman)
Vol 4, Page 195, Date 1899
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On the genera of the Cleonymidae
Vol 4, Page 200, Date 1899
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New Dicellura
Vol 4, Page 222, Date 1899
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Hubbardia, a new genus of Pedipalpi
Vol 4, Page 249, Date 1899
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Tarsonemus in America
Vol 4, Page 294, Date 1899
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A new Mexican Diplopod, Decaporodesmus motzoranginis, type of a new Family, Decaporodesmidae
Vol 4, Page 299, Date 1899
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The Geophiloidea of Florida Keys
Vol 4, Page 303, Date 1899
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A new solpugid from California
Vol 4, Page 314, Date 1899
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Letters from the Southwest. Insect fauna in the burrows of desert rodents
Vol 4, Page 361, Date 1901
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List of North American Apatela
Vol 4, Page 365, Date 1901
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Letters from the Southwest. Insect fauna of Dasylirion wheeleri
Vol 4, Page 381, Date 1901
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Duoporus, a new Diplopod from Mexico
Vol 4, Page 402, Date 1901
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A dwarf ant-lion fly
Vol 4, Page 435, Date 1901
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[Recent trip in the West to investigate parasites of domestic animals]
Vol 4, Page 491, Date 1901
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The ant-decapitating fly
Vol 4, Page 497, Date 1901
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Some new genera and species of North American Hemiptera
Vol 4, Page 507, Date 1901