Title: Notes on Ichneumon-flies of the Genus polycyrtus with Descriptions of New Species
Author: R. A. Cushman
Publisher: Smithsonian Institution
Publication Date: 1931
Type: Paperback
Condition: Very Good
Notes: Original gray wraps (9.5" H x 6" W); light rubbing along edges. Binding secure. Contents clean and unmarked. 62pp. Index. Many other issues in series listed and available. Sku: 022854