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Hagen, H. A. Synopsis of described Neuroptera of 

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Hagen, II. A. The Larvae of the Ant Lions. (Verh. Entom. 

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Hagen, S. H. Neuroptera collected by Lieut. Carpenter (Rep. 

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Hagen, H. A, Synopsis of the Odonata of America. 

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Kolenati, F. A. Genera and species of Trichoptera. 2 pts., 

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McLachlan, R. Monograph British Psocidse. 8vo. London, 

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McLachlan, R. Monographic revision of the Trichoptera of 

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Rambur, P. Natural History of the Neuroptera 

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De Selys Longchamps and Hagen. Monographs of the Cal- 

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