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North American parasitic copepods belonging to the Lernaeidae with a revision of the entire family
Vol 53, Iss 2194, Page 1
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Descriptions of thirty-one new species of Hymenoptera.
Vol 53, Page 151
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Some effects of environment and habit on captive lions
Vol 53, Iss 2196, Page 177
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Descriptions of some new parasitic Hymenoptera
Vol 53, Iss 2197, Page 195
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Description of a new species of mastodon, Gomphotherium elegans, from the Pleistocene of Kansas
Vol 53, Iss 2198, Page 219
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Gomphus parvidens, a new species of dragonfly from Maryland
Vol 53, Iss 2199, Page 223
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An asymmetrical bird-louse found on three different species of troupials
Vol 53, Page 231
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A report on a collection of Hymenoptera (mostly from California) made by W. M. Giffard
Vol 53, Iss 2202, Page 233
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A new species of bear-animalcule from the coast of North Carolina
Vol 53, Iss 2203, Page 251
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A new American parasite of the Hessian fly (Mayetiola destructor Say)
Vol 53, Iss 2204, Page 255
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Cuban amphibians and reptiles collected for the United States National Museum from 1899 to 1902
Vol 53, Iss 2205, Page 259
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An American species of the hymenopterous genus Wesmaelia of Foerster
Vol 53, Iss 2206, Page 293
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A monograph of West American melanellid mollusks
Vol 53, Iss 2207, Page 295
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The type-species of the genera of the Cynipoidea, or the gall wasps and parasitic cynipoids
Vol 53, Iss 2208, Page 357
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New and little-known species of South American fresh-water mussels of the genus Diplodon
Vol 53, Iss 2209, Page 381
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Some fossil insects from Florissant, Colorado
Vol 53, Iss 2210, Page 389
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The salamanders of the genera Desmognathus and Leurognathus
Vol 53, Iss 2211, Page 393
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Description of a new species of extinct horse, Equus lambei, from the Pleistocene of Yukon Territory
Vol 53, Page 435
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Notes and descriptions of miscellaneous chalcid-flies (Hymenoptera).
Vol 53, Page 445
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Description of a new species of crab from the California Pliocene
Vol 53, Iss 2214, Page 451
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Fossil remains of what appears to be a passerine bird from the Florissant shales of Colorado
Vol 53, Iss 2215, Page 453
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Eight new species of reared Ichneumon-flies with notes on some other species
Vol 53, Iss 2216, Page 457
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Notes on the shells of the genus Epitonium and its allies of the Pacific coast of America
Vol 53, Iss 2217, Page 471
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Fossil Echini of the Panama Canal Zone and Costa Rica
Vol 53, Iss 2218, Page 489
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A revision of the Hymenopterous insects of the tribe Cremastini of America north of Mexico
Vol 53, Page 503
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The color of amethyst, rose, and blue varieties of quartz
Vol 53, Iss 2220, Page 553
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Generic names applied to birds during the years 1906 to 1915, inclusive, with additions and corrections to Waterhouse's "Index Generum Avium"
Vol 53, Page 565
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North American collembolous insects of the subfamily Onychiurinae
Vol 53, Iss 2222, Page 637