On a Guatemalan specimen of Progne sinaloae Nelson On a Guatemalan specimen of Progne sinaloae Nelsonv. 43No. 4American Ornithologists’ Union550Holt, Ernest G. 1926. "On a Guatemalan specimen of Progne sinaloae Nelson." The Auk, 43, (4) 550.More...ID: 123193Type: articleKeywords: USNM; NMNH
