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Notes on North American Cicadas with Descriptions of New Species
Vol 31, Page 1, Date 1923
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The Life History of Chironomus cristatus Fabr. with Descriptions of the Species
Vol 31, Page 15, Date 1923
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Morphology of the Head of Trichopterous Larvæ as a Basis for the Revision of the Family Relationships
Vol 31, Page 31, Date 1923
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A New Walking-Stick Insect from Eastern North America
Vol 31, Page 52, Date 1923
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Proceedings of the New York Entomological Society
Vol 31, Page 55, Date 1923
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The Group Traches in North America. Part II. The Genus Brachys (Coleoptera)
Vol 31, Page 59, Date 1923
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A Phylogenetic Comparison of the Maxillæ throughout the Orders of Insects
Vol 31, Page 77, Date 1923
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Quarter Century of Species of Tenthredo (Hymenoptera)
Vol 31, Page 107, Date 1923
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Proceedings of the New York Entomological Society
Vol 31, Page 116, Date 1923
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A Revision of the Trypetidæ of Northeastern America
Vol 31, Page 119, Date 1923
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A New Species of Polydrusus Germar (Coleop.)
Vol 31, Page 155, Date 1923
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Proceedings of the New York Entomological Society
Vol 31, Page 158, Date 1923
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Saw-Flies of the Katmai Expedition to Alaska
Vol 31, Page 163, Date 1923
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Backyard Collecting in Ramsey, N. J
Vol 31, Page 171, Date 1923
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The Life History of Thanaos funeralis Scud. & Burg. (Lepidoptera; Hesperiidæ)
Vol 31, Page 175, Date 1923
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The Immature Stages of the Catnip Leafhopper (Eupteryx melissæ Curtis)
Vol 31, Page 181, Date 1923
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New Species and Synopsis of Statira
Vol 31, Page 184, Date 1923
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Supplementary Notes on Ophiderma Fairm. (Hemip.-Homop.)
Vol 31, Page 188, Date 1923
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Proceedings of the New York Entomological Society
Vol 31, Page 190, Date 1923
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Errata
Vol 31, Page 195, Date 1923