Dwight, Jonathan, 1858-1929.Griscom, Ludlow, 1890-1959.2005-10-062005-10-061927http://hdl.handle.net/2246/41045 p. ; 23 cm.Includes bibliographical references.582172 bytesapplication/pdfen-USQL1 .A436 no.257, 1927Guiraca caerulea -- Classification.Guiraca caerulea -- Geographical distribution.Grosbeaks -- United States -- Classification.Grosbeaks -- Mexico -- Classification.Grosbeaks -- Central America -- Classification.Grosbeaks -- United States -- Geographical distribution.Grosbeaks -- Mexico -- Geographical distribution.Grosbeaks -- Central America -- Geographical distribution.Birds -- United States -- Classification.Birds -- Mexico -- Classification.Birds -- Central America -- Classification.Birds -- United States -- Geographical distribution.Birds -- Mexico -- Geographical distribution.Birds -- Central America -- Geographical distribution.text