There are two valuable but highly technical descriptions. The first is a study of the sucking apparatus of a small brown fly found throughout the oriental region and of a genus closely allied to Musca. It is a very common blood sucking fly of cattle in Madras. The second study by Capt. Cragg is of the Hcematopota pluvialis, a gadfly or cleg of the family of Tabanidae. It attacks man, cattle or ...