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COLEOPTERA. A study of the species of Tachys of Boreal 



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 HYMENOPTERA. New species of North American Cynipidae, 



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 Revision of the species of Xylina Ochs., by John B. Smith. 1900. 



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Revision of the species of Acontia Ochs., by John B. Smith. 1900. 



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The Hypenoid Moths and allied groups, by A. R. Grote. 1895. 21 pp. .20 



N EURO PT ERA. Descriptions of new North American Neurop- 



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