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Transactions of the American Entomological Society v.18 (1891)
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A Monograph of the Species of Cryptohypnus of Boreal America
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By: Horn, George H. (George Henry),
Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 1--31
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
New Species and Miscellaneous Notes
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By: Horn, George H. (George Henry),
Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 32--48
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
Descriptions of New Species of North American Bees
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By: Robertson, Charles
Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 49--66
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
Catalogue of the described species of South American Asilidae
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By: Williston, Samuel W. (Samuel Wendell),
Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 67--91
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
Notes on some Noctuidae, with descriptions of new genera and species
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Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 103--135
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
Revision of the Genera and Species of Anthonomini Inhabiting North America
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By: Dietz, William G
Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 177--276
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
The Species of Agrilus of Boreal America
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By: Horn, George H. (George Henry),
Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 277--336
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
On a Collection of Hymenoptera Made in Jamaica during April, 1891
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By: Fox, William J
Type: Article
In: Transactions of the American Entomological Society
Volume: 18
Date: 1891
Page Range: 337--348
Publication info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-