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A Second Review of Melinæa and Mechanitis (Lepidoptera, Ithomiinæ)
Vol 56, Page 1
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The Male Genitalia of Ephemerida (Mayflies)
Vol 56, Page 25
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A Bucculatricid Gall Maker and Its Hypermetamorphosis
Vol 56, Page 43
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A New Californian Apamea (Lepidoptera, Phalænidæ)
Vol 56, Page 51
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Derallus altus (LeConte), a Southern Water Beetle, in New Jersey
Vol 56, Page 53
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A New Subspecies of Lycæna epixanthe Boisduval & Leconte with Comments on the Identity of Typical Epixanthe (Lepidoptera, Lycænidæ)
Vol 56, Page 55
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A Brief Analysis of Viviparity in Insects
Vol 56, Page 63
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A Generic and Subgeneric Synopsis of the United States Ants, Based on the Workers (Hymenoptera: Formicidæ) by Marion R. Smith
Vol 56, Page 69
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Proceedings of the New York Entomological Society
Vol 56, Page 71
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A Survey of the Arthropod Vectors of Equine Encephalomyelitis and Encephalitis
Vol 56, Page 79
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The Insect Guide by Ralph B. Swain
Vol 56, Page 108
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The Spectral Sensitivity of Dytiscus fasciventris
Vol 56, Page 109
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The New York Entomological Club and 'Papilio'
Vol 56, Page 119
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Additions and Corrections to the List of Nearctic Species of Dianthidium (Hymenoptera, Apoidea)
Vol 56, Page 149
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Notes on a Colony of Polistes fuscatus hunteri Bequaert
Vol 56, Page 155
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Insects and Slang
Vol 56, Page 170
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T. D. A. Cockerell
Vol 56, Page 171
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Notes on the Distribution, Habits, and Habitats of Some Panama Culicines (Diptera: Culicidæ), (Continued)
Vol 56, Page 175
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Spiders of Connecticut by Benjamin Julian Kaston
Vol 56, Page 194
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Honey-Bee Predators
Vol 56, Page 195
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Days without Time, Adventures of a Naturalist, Illustrated with 144 Photographs by the Author by Edwin Way Teale
Vol 56, Page 200
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A New Member of the Genus Caddo (Phalangida)
Vol 56, Page 201
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A New Genus and Species of Ant from India (Hymenoptera: Formicidae)
Vol 56, Page 205
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Studies on the Cotton Jassid (Empoasca devastans Distant) in the Western Punjab. XIII. Method of Cotton Breeding for Jassid Resistance
Vol 56, Page 209
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Results of the Pennsylvania Mosquito Survey for 1947
Vol 56, Page 219
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The Description of a New Species of the Genus Ceropales (Hymenoptera: Psammocharidæ) with a Key to the Species of North America
Vol 56, Page 233
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Observations on the Mating Behavior of Harvester Ants
Vol 56, Page 239
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New Jersey Rhopalocera-Strymon cecrops Fabr
Vol 56, Page 243
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Proceedings of the New York Entomological Society
Vol 56, Page 245
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A New Race of Pseudohazis hera from Southern Colorado
Vol 56, Page 249
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Insects and Slang Again
Vol 56, Page 250
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The Genus Trachys in the United States
Vol 56, Page 251
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Old Entomological Signboards
Vol 56, Page 252
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Insect Collecting in Guatemala 65 Years after Champion
Vol 57, Page 1
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A Revision of the North American Species of the Genus Plagodis (Lepidoptera, Geometridæ, Ennominæ)
Vol 57, Page 19
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Entomologists Are Human Beings
Vol 57, Page 50
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First Scientific Bibliography
Vol 57, Page 66
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A New Genus of Nymphalidæ and Its Affinities (Lepidoptera, Rhopalocera)
Vol 57, Page 67
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Physiological Effects of Induced Hemorrhage in Japanese Beetle Larvæ
Vol 57, Page 79
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Coleoptera or Beetles East of the Great Plains by J. Gordon Edwards
Vol 57, Page 92
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Distinctive Features of the Larvæ of Aedes alleni Turner (Diptera: Culicidæ)
Vol 57, Page 93
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Experiments on the Colony Foundation of European Ants
Vol 57, Page 101
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Drosophila in New England
Vol 57, Page 117
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A Century of Entomology in the Pacific Northwest by Melville H. Hatch
Vol 57, Page 132
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Notes on Oregon Coccinellidæ, (Coleoptera)
Vol 57, Page 133
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Observation on the Courtship of Brenthis anchorago L. (Coleoptera, Brenthidæ)
Vol 57, Page 135
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Larvæ of Insects. Lepidoptera and Hymenoptera. Part I by Alvah Peterson
Vol 57, Page 138
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The Effect of Summer Rainfall on Japanese Beetle Populations
Vol 57, Page 167
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A New Species of Camponotus, Subg. Colobopsis from Mexico (Hymenoptera: Formicidæ)
Vol 57, Page 177
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The Insect World of J. Henri Fabre by Edwin Way Teale
Vol 57, Page 182
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The Old World Membracidæ (Continued)
Vol 57, Page 183
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Proceedings of the New York Entomological Society
Vol 57, Page 193
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An Early New Jersey Insect Collection
Vol 57, Page 202
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The Activities of House Flies
Vol 57, Page 203
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Army-Ant Behavior
Vol 57, Page 214
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The Chloride Ion in the Hemolymph of the Large Milkweed Bug, Oncopeltus fasciatus (Dallas)
Vol 57, Page 215
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American Spiders by Willis J. Gertsch
Vol 57, Page 224
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Insects Collected in the Dundas Marsh, Hamilton, Ontario, 1947-48
Vol 57, Page 225
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The Life of William T. Davis by Mabel Abbott
Vol 57, Page 231
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Records and Descriptions of Neotropical Crane Flies (Tipulidæ: Diptera), XXIV
Vol 57, Page 253
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Sir John Maundevile's Ants
Vol 57, Page 266
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The Old World Membracidæ (Continued)
Vol 57, Page 267