Economic entomology for the farmer Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomolo00smit Year: 1906 13<^ AM ECONOMIC ENTOMOLOGY. neglected, amputation sometimes becomes necessary. Where shoes arc worn, the insects do not often succeed in reaching' their favorite points of attack ; l)ut if they do, a proinj)t use of the needle or knife or a mercurial ointment will prevent trouble. A Fig. 378.


Size: 1622px × 1233px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage