Synopsis of the Families and Genera of the Hymenoptera of America, North of Mexico, Together with a Catalogue of the Described Species, and Bibliography

Abstract

E. T. Cresson, Synopsis of the Families and Genera of the Hymenoptera of America, North of Mexico, Together with a Catalogue of the Described Species, and Bibliography, Transactions of the American Entomological Society and Proceedings of the Entomological Section of the Academy of Natural Sciences, Supplementary Volume: Synopsis of the Families and Genera of the Hymenoptera of America, North of Mexico, Together with a Catalogue of the Described Species, and Bibliography (1887), pp. i, iii-vi, 1-350