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The poplar bark aphid (Schizoneura populi n. sp.)
Vol 19, Page 1, Date 1908
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Notes on the tipulid genus Dicranomyia
Vol 19, Page 5, Date 1908
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Notes on the Coleoptera of Placer County, Calif.
Vol 19, Page 66, Date 1908
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The North American species of Chariessa (Coleoptera)
Vol 19, Page 70, Date 1908
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A new Anisota from Arizona (Lepidoptera Heterocera, Ceratocampidae)
Vol 19, Page 77, Date 1908
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Two new species belonging to the dipterous families Ortalidae and Trypetidae from Dutch Guiana, with notes on others of these groups
Vol 19, Page 95, Date 1908
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Notes on some neuropteroids from Raleigh, N. C
Vol 19, Page 133, Date 1908
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A new genus and species of Decticinae (Orthoptera) from California
Vol 19, Page 156, Date 1908
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New Scarabaeidae
Vol 19, Page 159, Date 1908
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New North American Pachyrhina, with a table for determining the species
Vol 19, Page 173, Date 1908
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New species of the tipulid genus Rhypholophus, with a table for determining the North American species
Vol 19, Page 200, Date 1908
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A new genus and species of Neuroptera
Vol 19, Page 203, Date 1908
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Contarinia gossypii n. sp
Vol 19, Page 210, Date 1908
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A new genus and species of Oribatidae
Vol 19, Page 243, Date 1908
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The green Aphis of the Chrysanthemum- Aphis rufomaculata n. sp
Vol 19, Page 261, Date 1908
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New Pyralidae
Vol 19, Page 263, Date 1908
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Three related American species of Aeshna (Odonata)
Vol 19, Page 264, Date 1908
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Incidental studies of new species of Oscinis
Vol 19, Page 272, Date 1908
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Notes on the Paychodidae
Vol 19, Page 274, Date 1908
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Descriptions of two new Gelechidae from California
Vol 19, Page 316, Date 1908
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New Coleoptera, with notes on some New Jersey Histeridae
Vol 19, Page 318, Date 1908
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Numerical distribution of some insects
Vol 19, Page 324, Date 1908
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A new cedidomyiid on oak
Vol 19, Page 349, Date 1908
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The occurrence of the remarkable braconid genus Helorimorpha in America
Vol 19, Page 363, Date 1908
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Upon the aphis-feeding species of Aphelinus
Vol 19, Page 365, Date 1908
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Colorado Bembicidae
Vol 19, Page 373, Date 1908
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Four new Hymenoptera
Vol 19, Page 417, Date 1908
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One day's collecting, with a description of a new noctuid
Vol 19, Page 420, Date 1908
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A new dragonfly (Odonata) belonging to the Cordulinae, and a revision of the classification of the subfamily
Vol 19, Page 428, Date 1908
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Two new species of the genus Phthiracarus
Vol 19, Page 449, Date 1908