Author: Gahan, A.B., & Fagan, M.M., 1923.:
Title: The type species of the genera of Chalcidoidea or chalcid-flies. [Bull. U.S. Natl. Mus., 124.]
Description: Washington. 8vo, 24.5cm. Pp. iv,173, index. Orig. wrappers, uncut. Very good.

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