Article VII. Methods of oviposition in the Tipulidae / F. M. Webster -- Article VIII. A dipterous gall-maker and its associates / F. M. Webster -- Article IX. Description of a new species of gall-making diptera / John Marten -- Article X. Description of a species of Chlorops reared from galls on Muhlenbergia mexicana / S. W. Williston -- Article XI. Notes on some species of Ohio Hymenoptera and Diptera heretofore undescribed / F. M. Webster -- Article XII. Descriptions of new parasitic Hymenoptera bred by F. M. Webster / W. H. Ashmead -- Article XIII. A Tachinid reared from cells of a mud-dauber wasp / C. H. Tyler Townsend -- Article XIV. Additions to the preliminary list of the Uredineae of Ohio / Freda Detmers -- Article XV. Bibliography of Ohio botany / W. A. Kellerman -- Article XVI. Experiments in the germination of treated seed / W. A. Kellerman -- Article XVII. Analytical synopsis of the groups of fungi / W. A. Kellerman and A. D. Selby -- Article XVIII. The Ohio Erysipheae / A. D. Selby -- Article XIX. Corrections and additions to Moses Craig's catalogue of the uncultivated flowering plants growing on the grounds of the Ohio State University / W. A. Kellerman and W. C. Werner -- Article XX. Notes on distribution of and stations for a few rare and interesting Ohio plants / W. C. Werner -- Article XXI. New plants for the flora of Ohio / W. C. Werner -- Article XXII. Notes on rare Ohio plants / A. D. Selby -- Article XXIII. New or rare plants of Ohio / W. A. Kellerman