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The Behavior of Certain Insects to Various Wave-Lengths of Light
Vol 50, Page 1, Date 1942
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Butterflies. A Handbook of the Butterflies of the United States, Complete for the Region North of the Potomac and Ohio Rivers and East of the Dakotas by Ralph W. Macy, Harold H. Shepard
Vol 50, Page 36, Date 1942
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On Border-Line Dircenna (Lepidoptera, Ithomiinæ)
Vol 50, Page 37, Date 1942
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A New Parasitic Fly (Cuterebridæ) from the Northern White-Footed Mouse
Vol 50, Page 45, Date 1942
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Six New Chinese Membracidæ
Vol 50, Page 61, Date 1942
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Notes on Ecuadorian Butterflies. II. Papilio
Vol 50, Page 123, Date 1942
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Records and Descriptions of Neotropical Crane-Flies (Tipulidæ, Diptera), XIV
Vol 50, Page 135, Date 1942
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Electron Micrographs of Insect Tracheæ
Vol 50, Page 147, Date 1942
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Notes on Cicadas with Descriptions of New Species
Vol 50, Page 169, Date 1942
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Dating the Systema Entomologiæ, by Fabricius and Papillons Exotiques Volume I, by Cramer
Vol 50, Page 189, Date 1942
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College Entomology by E. O. Essig
Vol 50, Page 192, Date 1942
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The Wing of Mastogenius (Coleoptera)
Vol 50, Page 193, Date 1942
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Notes on the Genus Seioptera Kirby (Otitidæ, Diptera)
Vol 50, Page 195, Date 1942
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For More Clarity in Entomological Writing
Vol 50, Page 199, Date 1942
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Abdominal Glands of Hesperiinæ
Vol 50, Page 203, Date 1942
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In Memory of Charles Schaeffer. Compiled from Memoranda Found among the Papers of the Late Charles W. Leng
Vol 50, Page 209, Date 1942
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Proceedings of the New York Entomological Society
Vol 50, Page 211, Date 1942
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The Sarcophaginæ and Their Relatives in New York. II
Vol 50, Page 215, Date 1942
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General Entomology by S. W. Frost
Vol 50, Page 242, Date 1942
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The Identity of the Florida Race of Leptotes (Lepidoptera, Lycænidæ)
Vol 50, Page 243, Date 1942
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Further Electron Microscope Studies on Arthropod Tracheæ
Vol 50, Page 245, Date 1942
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A New Genus and a New Species of Otitidæ from North America (Diptera)
Vol 50, Page 249, Date 1942
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Records and Descriptions of Neotropical Crane-Flies (Tipulidæ, Diptera), XV
Vol 50, Page 251, Date 1942
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The Nymphal Development for the Roach, Periplaneta americana L
Vol 50, Page 263, Date 1942
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Taxonomic Observations on Bees with Descriptions of New Genera and Species (Hymenoptera; Apoidea)
Vol 50, Page 273, Date 1942
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Nymphalidæ of the Antilles (Lepidoptera Rhopalocera)
Vol 50, Page 283, Date 1942
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Proceedings of the New York Entomological Society
Vol 50, Page 289, Date 1942
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The American Commission on Scientific Nomenclature in Entomology
Vol 50, Page 293, Date 1942
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New and Imperfectly Known Neotropical Polybiinæ (Hymenoptera, Vespidæ)
Vol 50, Page 295, Date 1942
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Notes on Ecuadorian Butterflies, V
Vol 50, Page 309, Date 1942
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Near Horizons, the Story of an Insect Garden by Edwin Way Teale
Vol 50, Page 334, Date 1942
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The Parasitic Habits of Muscina stabulans Fabricius
Vol 50, Page 335, Date 1942