BULLETIN NO. 3.--The Cotton Worm. Summary of its Natural History, with an Account of its Enemies, and the best Means of controlling it; being a Report of Progress of the Work of the Commission. By Chas. V. Riley, M. A., Ph. D. (1880.) [pp. 144, figs. 84, plates 1.] BULLETIN NO. 4.--The Hessian Fly. Its Ravages, Habits, Enemies, and Means of preventing its Increase. By A. S. Packard, jr., M. D. (1880.) [pp. 43, figs. 1, plates 2, maps 1.] BULLETIN NO. 5.--The Chinch Bug. Its History, Characters, and Habits, and the Means of destroying it or counteracting its Injuries. By Cyrus Thomas, Ph. D. (1879.) [pp. 44, figs. 10, maps 1.] BULLETIN NO. 6.--General Index and Supplement to the nine Reports on the Insects of Missouri. By Charles V. Riley, M. A., Ph. D. (1881.) [pp. 177.] BULLETIN NO. 7.--Insects injurious to Forest and Shade Trees. By A. S. Packard, jr., M. D. (1881.) [pp. 275, figs. 100.] First Annual Report for the year 1877, relating to the Rocky Mountain Locust and the best Methods of preventing its Injuries and of guarding against its Invasions, in pursuance of an Appropriation made by Congress for this purpose. With maps and illustrations. (1878.) [pp. 477+294, figs. 111, plates 5, maps 1.] Second Report for the years 1878 and 1879, relating to the Rocky Mountain Locust and the Western Cricket, and treating of the best Means of subduing the Locust in its permanent Breeding grounds, with a view of preventing its Migrations into the more fertile Portions of the trans-Mississippi country, in pursuance of Appropriations made by Congress for this purpose. With Maps and Illustrations. (1880.) [pp. XVIII+322+22, figs. 10, plates 17, maps 7.] Third Report relating to the Rocky Mountain Locust, the Western Cricket, the Army Worm, Canker Worms, and the Hessian Fly; together with Descriptions of Larvae of injurious Forest Insects, Studies on the embryological Development of the Locust and of other Insects, and on the systematic Position of the Orthoptera in Relation to other Orders of Insects. With Maps and Illustrations. (1883.) [pp. XVIII+347+91, figs. 14, plates 64, maps 3.] Fourth Report, being a revised Edition of Bulletin No. 3, and the Final Report on the Cotton Worm and Bollworm. By Charles V. Riley, Ph. D. (1885.) [pp. XXXVIII+399+147, figs. 45, plates 64, maps 2.] Fifth Report, being a revised and enlarged edition of Bulletin No. 7, on Insects Injurious to Forest and Shade Trees. By Alpheus S. Packard, M. D., Ph. D., with woodcuts and 40 plates. (1890 (1). Small edition; only a few for general distribution). BULLETINS OF THE DIVISION OF ENTOMOLOGY, U. S. DEPARTMENT OF AGRICULTURE, UNDER DIRECTION OF C. V. RILEY, ENTOMOLOGIST. [Out of print.]No. 1.--Reports of Experiments, chiefly with Kerosene, upon the Insects injuriously affecting the Orange Tree and the Cotton Plant, made under the Direction of the Entomologist. (1883.) [pp. 62.]