Darling, F. Fraser, and Milton, John P. (Eds.). Future environments of North America. vx + 767 pages, illus., ref., index. Garden City, New York, The Natural History Press, 1966.
Crosby and Bishop (1925) published a comprehensive revision of the New World genus Ceraticelus, and from time to time other species have been described as they appeared. The following descriptions of two additional species were based upon specimens in the American Museum of Natural History in New York. All type material was deposited in that institution.
Darling, F. Fraser, and Milton, John P. (Eds.). Future environments of North America. vx + 767 pages, illus., ref., index. Garden City, New York, The Natural History Press, 1966.