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Two Gynandromorphous Ants
Vol 26, Page 1
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A Malformed Leptinotarsa Decemlineata
Vol 26, Page 9
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New Species of the Genus Villa (Anthrax)
Vol 26, Page 11
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New Records of Orthoptera in New England
Vol 26, Page 16
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Notes on South African Phoridae (Diptera)
Vol 26, Page 39
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The Occurrence of Wingless Phoridæ on the Fiji Islands
Vol 26, Page 49
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A New Subspecies of Aphaenogaster Treatæ Forel
Vol 26, Page 50
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A phylogenetic study of the mesothoracic terga and wing bases in Hymenoptera, Neuroptera, Mecoptera, Diptera, Trichoptera and Lepidoptera
Vol 26, Page 58
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A List of Dragon-Flies Collected at Wareham, Mass., During the Years 1911 to 1913 by Mr. Outram Bangs
Vol 26, Page 65
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Note on the genus Liobracon, with the description of a new species (Hymenoptera; Braconidae)
Vol 26, Page 68
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Some Observations on the Webbing Clothes Moth (Tineola Biselliella Hum.)
Vol 26, Page 71
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Ecological Relations of the Lepidopterous Genus Depressaria (Œcophoridæ)
Vol 26, Page 73
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Notes on the Early Stages and Larval Locomotion of Leia Bivittata Say (Diptera)
Vol 26, Page 80
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The ant genus Lordomyrma Emery
Vol 26, Page 97
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A new paper-making Crematogaster from the southeastern United States
Vol 26, Page 107
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The Ants of Tobago Island
Vol 26, Page 113
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A Singular Neotropical Ant (Pseudomyrma Filiformis Fabricius)
Vol 26, Page 124
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Notes on Eustrophus Bicolor Fabr., Bred From Fungi (Coleoitera)
Vol 26, Page 132
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Notes on Forest Insects. II. Notes on Several Species of Pityophthorus Breeding in the Limbs and Twigs of White Pine
Vol 26, Page 134
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The Occurrence of Anopheles Punctipennis in Northern New England
Vol 26, Page 143
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[1920]. A new species closely resembling Drosophila melanogaster
Vol 26, Page 153
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Descriptions of new Tryphoninae of the tribe Ctenopelmini (Hymenoptera; Ichneumonidae)
Vol 26, Page 155
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A Note on the Habits of Epactiothynnus Opaciventris Turner, an Australian Thynnid Wasp
Vol 26, Page 160
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An African Figitidæ
Vol 26, Page 162
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On the variation of Tabanus atratus Fabricius
Vol 26, Page 163
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A new species of the genus Ulidia
Vol 26, Page 165
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New Mosquitos From Panama
Vol 26, Page 166
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Notes on Forest Insects. III. Two New Species of Pityophthorus From Colorado
Vol 27, Page 1
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Hymenoptera Collected Near Boston, Mass., With Description of a Variety of Bombus Affinis
Vol 27, Page 6
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The First Stage Larva of Cuterebra Americana (Fabr.) (Diptera; Oestridæ)
Vol 27, Page 13
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A Revision of the Species of the Genus Loxocera, With a Description of a New Allied Genus and a New Species
Vol 27, Page 15
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Proceedings of the Cambridge Entomological Club
Vol 27, Page 19
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Entomological notes from the Museum of Comparative Zoology
Vol 27, Page 20
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A Comparison of the genitalia of male Hymenoptera, Mecoptera, Neuroptera, Diptera, Trichoptera, Lepidoptera, Homoptera, and Strepsiptera, with those of lower insects
Vol 27, Page 34
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The Subfamilies of Formicidae, and other taxonomic notes
Vol 27, Page 46
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Odonata of Chatham, Massachusetts
Vol 27, Page 55
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The Braconid Genus Trachypetus Guérin
Vol 27, Page 59
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An Infestation of the White-Pine Aphid
Vol 27, Page 62
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Two new schendyloid chilopods from Guatemala
Vol 27, Page 63
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Proceedings of the Cambridge Entomological Club
Vol 27, Page 66
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Note on Pterergates in the Californian Harvester Ant
Vol 27, Page 72
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Siberian Anopheles
Vol 27, Page 74
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Notes and descriptions of species of Telenomus having ten-jointed antennae (Hymenoptera: Scelionidae)
Vol 27, Page 78
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The Noctuid Genus Copablepharon (Harvey) With Notes on its Taxonomic Relationships
Vol 27, Page 81
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Proceedings of the Cambridge Entomological Club
Vol 27, Page 87
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On Certain Species of Haltica, Old and New
Vol 27, Page 101
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Description of some new tropical Pachygastrinae
Vol 27, Page 112
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Notes on the Lines of Descent of Lower Winged Insects
Vol 27, Page 116
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Proceedings of the Cambridge Entomological Club
Vol 27, Page 127
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Book Reviews
Vol 27, Page 129
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Notes on the Life-History of Anthophora Stanfordiana
Vol 27, Page 135
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Coleoptera Associated With Polyporus Versicolor L. in New Jersey
Vol 27, Page 137
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Hemiptera Collected in Western New England, Chiefly From Mountains
Vol 27, Page 139
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A new genus in the chilopod family Mecistocephalidae
Vol 27, Page 144
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A 1919 Collection of Cicadellide in the Environs of Boston
Vol 27, Page 146
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A Dimorphic Species of Cephalonomia From Trinidad
Vol 27, Page 151
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Two Interesting Additions to the Odonate Fauna of Concord, Mass
Vol 27, Page 154