Browsing by Author "Delacour, Jean, 1890-"
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Item Description of a new subspecies of the white-fronted goose, Anser albifrons. American Museum novitates ; no. 2565(New York, N.Y. : American Museum of Natural History, 1975) Delacour, Jean, 1890-; Ripley, Sidney Dillon, 1913-"Anser albifrons elgasi is described as a new subspecies of the white-fronted goose from winter specimens in central California. It presumably breeds in the taiga of inland Alaska. The new form is compared with North American A.a. gambeli and A.a. frontalis"--P. [1].Item The lesser graybirds (Coracina) of Asia and Malaysia. American Museum novitates ; no. 1497(New York : American Museum of Natural History, 1951) Delacour, Jean, 1890-Item The Madagascar hammerkop described as new. American Museum novitates ; no. 827(New York City : The American Museum of Natural History, 1936) Rand, Austin Loomer, 1905-; Delacour, Jean, 1890-; Mission Zoologique Franco-Anglo-Américaine à Madagascar (1929-1931)Item Preliminary note on the taxonomy of Canada geese, Branta canadensis. American Museum novitates ; no. 1537(New York : American Museum of Natural History, 1951) Delacour, Jean, 1890-Item The subspecies of Lophura nycthemera. American Museum novitates ; no. 1377(New York : American Museum of Natural History, 1948) Delacour, Jean, 1890-Item Variability in Chloephaga picta. American Museum novitates ; no. 1478(New York : American Museum of Natural History, 1950) Delacour, Jean, 1890-