[Request for specimens of Hessian fly, and for information on related wheat losses and countermeasures; form letter].

Bibliographic Details

Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1879.
Series:	Entomological Commission Circ. No. 8
Subjects:	Hessian fly. Electronic books.
Online Access:	Connect to the full text of this electronic document