The American Entomologist. The March number of this valuable monthly comes' to us, as usual, re- plete with interesting matter, and fully and beautifully illustrated. Wo notice, also, that it has eight additional pages of reading matter, including, among other things, a facetious article on our large Polyphemus Moth, a valuable and lengthy article on " Wasps and their Habits," " Do Toads Ea t Worker Bees ?" " Answers to Correspondents," Eeviews, etc., etc. Pub-ished monthly, at $1-00 per annum, by E. P. Studley Co., St. Louis, Mo.