Percentage Tables from 1 to 250.

Bibliographic Details
Format: Government Document eBook
Language:English
Published: [Washington] : [s.n.], 1940.
Subjects:
Online Access:Electronic resource (PDF)
Description
Item Description:Includes percentage tables used at entomological laboratories in the study of the European corn borer in the U.S., and explains how they should be used in parasitization studies.
Physical Description:1 online resource (77 pages), digital, PDF file