Mayr, Ernst, 1904-Amadon, Dean.Whitney South Sea Expedition of the American Museum of Natural History (1920-1941)2005-10-062005-10-061941http://hdl.handle.net/2246/483511 p. : map ; 24 cm.Includes bibliographical references.1326030 bytesapplication/pdfen-USQL1 .A436 no.1144, 1941Demigretta sacra.Herons -- Indo-Australian Region.Herons -- Polynesia.Herons -- East Asia.Birds -- Indo-Australian Region.Birds -- Polynesia.Birds -- East Asia.Birds collected during the Whitney South Sea Expedition. 46, Geographical variation in Demigretta sacra (Gmelin). American Museum novitates ; no. 1144Geographical variation in Demigretta sacra (Gmelin)Birds of the Whitney Expedition.text