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Three new Lachnids with comparative notes on three others (Homop.)
Volume 30, Page 1
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On an undescribed species of Medeterus (Diptera, Dolichopodidae)
Volume 30, Page 7
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Notes on the genus Dicranoptycha Osten Sacken (Tipulidae, Diptera)
Volume 30, Page 19
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A One Year Life Cycle for Saperda candida Fab. Reared in an Apple (Col.).
Volume 30, Page 24
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Odonata Anisoptera from Guatemala, collected by Messrs. William Schaus and John T. Barnes
Volume 30, Page 31
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A new genus and species of aphid (Hem., Hom.)
Volume 30, Page 39
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A new species of Copaeodes (Lep.)
Volume 30, Page 100
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Two species of Phylloxera from California (Hemiptera; Aphidae)
Volume 30, Page 103
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[Feldman Collecting Social. Meeting of December 18, 1918]
Volume 30, Page 119
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Preliminary key to the nearctic species of Eupteryx
Volume 30, Page 182
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A Melaphis from moss (Hom.)
Volume 30, Page 194
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A new Genus of Cerambycidae from Wyoming (Col.).
Volume 30, Page 198
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North American Sarcophagidae: New species of the genus Sarcofahrtia R. Parker (Dip.)
Volume 30, Page 201
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Herbert Huntingdon Smith
Volume 30, Page 211
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Two new crane-flies from California (Tipulidae, Diptera)
Volume 30, Page 214
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Five non-gall-making midges (Dip., Cecidomyidae)
Volume 30, Page 219
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Notes on the Occurence of Schizax senex in California (Col., Cerambycidae).
Volume 30, Page 231
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Two new Asyndetus with a table of the North American species (Dolichopdidae, Diptera)
Volume 30, Page 248
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Notes on Cosmopterygidae, with descriptions of new species
Volume 30, Page 260
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A new genus in the Dipterous family Cyrtidae from South American
Volume 30, Page 271
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A new species of Pseudodiaspis (Hemiptera, Coccidae)
Volume 30, Page 275
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Additions to Insects of New Jersey No. 7
Volume 30, Page 276
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The bees of the Rooky mountain national park
Volume 30, Page 286