-
By: Melander, A. L. (Axel Leonard), - Cockerell, Theodore D. A. (Theodore Dru Alison), - Cockerell, W. P. (Wilmatte Porter) - Wheeler, William Morton, - Rohwer, S. A. (Sievert Allen), - Lacoe, Ralph Dupuy, - Florissant ExpeditionsEdition:Publication info: New York, American Museum of Natural History, [1949]Volume: no.1407 (1949)Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.57,7(1182:78.8) Colorado Diptera, Fossil Florissant Region Insects, Fossil Miocene PaleontologyBHL Collections: