COMSTOCK, John Henry, naturalist, born in Janesville, Wisconsin, 24 February, 1849. He was graduated at Cornell in 1874. where, from 1873 till 1877, he was instructor. In 1877 he was made assistant professor of entomology at Cornell, and also delivered a course of lectures at Vassar College. Having obtained leave of absence from the University, he was, during 1879-'81, United States entomologist at Washington, and in 1882 became professor of entomology and general invertebrate zoology at Cornell. Besides numerous articles contributed to various entomological and agricultural journals, he has published "Notes on Entomology" (Ithaca, 1875); "Annual Reports of Entomologist" (Washington, 1879-'81); "Report on Cotton Insects" (1879); "Second Annual Report of the Department of Entomology of Cornell University," including a monograph on " Diaspinae" (Ithaca, 1883), and the article on "Hymenoptera" in the "Standard Natural History" (Boston, 1884).