Mayr, Ernst, 1904-2005-10-062005-10-061949http://hdl.handle.net/2246/428812 p. ; 24 cm.Includes bibliographical references.1141940 bytesapplication/pdfen-USQL1 .A436 no.1415, 1949Accipiter trivirgatus -- Classification.Accipiter trivirgatus -- Variation.Hawks -- Asia, Southeastern -- Classification.Hawks -- Variation -- Asia, Southeastern.Hawks -- Asia -- Classification.Hawks -- Variation -- Asia.Birds -- Asia, Southeastern -- Classification.Birds -- Variation -- Asia, Southeastern.Birds -- Asia -- Classification.Birds -- Variation -- Asia.text