Transactions of the American Entomological Society and proceedings of the Entomological Section of the Academy of Natural Sciences.
American Entomological Society.
Academy of Natural Sciences of Philadelphia.Entomological Section.
Philadelphia : American Entomological Society,
1878-1889.
Title from volume title page (JSTOR, viewed Feb. 24, 2009).
Has supplementary volume dated 1887 with title: Synopsis of the families and genera of the hymenoptera of America, north of Mexico, together with a catalogue of the described species, and bibliography / by E.T. Cresson.
Mode of access: World Wide Web.
Entomology
Entomology.