This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1841 Excerpt: ...in form somewhat resembling a silk-worm. From one to six of these have been found at various heights from the seed to the third joint. They would seem to enter the pupa state about the beginning of June. "This fly was not observed by Miss Morris to inhabit any other plant than wheat. "To prevent the ravages of this destroyer of the grain, it will be proper to obtain fresh seed from localities in which the fly has not made its appearance. By this means the crop of the following year will be un202 Hessian Fly. Vol. V. injured; but in order to avoid the introduction of straggling insects of the kind from adjacent fields, it is requisite that a whole neighbourhood should persevere in this precaution for two or more years in succession. This result was obtained, in part, in the course of trials made by Mr Kirk, of Bucks County, Pa., with some seed-wheat from the Mediterranean, in and since the year 1837. His first crop was free from the fly, but it was gradually introduced from adjncent fields; and in the present year the mischief has been considerable. As Miss Morris states that the fly has never made its appearance in Susquehanna and Bradford Counties, seed-wheat, free from the fly, might be obtained from these, and probably from other, localities. "The Committee recommend that the conclusions of Miss Morris ' may be subjected to the only efficient test--repeated observations and effective trials of the precaution she advises.'" Believing the above to be an observation of very considerable importance, and sincerely hoping that repeated trials and examinations may confirm its correctness, we have prepared the present notice for the Cabinet, in order to bring it before the agricultural community. Miss Morris's observations and inferences agre...