Keywords: Report upon cotton insects BHL19934675.jpg Report upon cotton insects prepared under the direction of the commissioner of agriculture in pursuance of an act of Congress approved June 19 1878 By J Henry Comstock entomologist to the Department of agriculture 19934675 65386 24146 Table of Contents http //www biodiversitylibrary org/page/19934675 10 5962/bhl title 24146 Comstock John Henry; United States NOT_IN_COPYRIGHT<br> Biodiversity Heritage Library Check categories 2015 October 29 PD-old-70-1923 Report upon cotton insects Images uploaded by Fæ Files from the Biodiversity Heritage Library Biodiversity Heritage Library Charles Darwin's Library collection |