Remarks on some Western Vermont Birds. Bull. Nutt. Ornith. Club, Vol. VII, January, 1882, pp. 63, 64.
[55]. Dr. C. Fr. W. Krukenberg. Die Farbstoffe der Federn, in Dessen Vergleichendphysiologische Studien. I Reihe, V Abth., 1881, s. 72–92. Plate III.
[56]. See this Bulletin, Vol. IV, p. 8.
[57]. See this Bulletin, Vol. VII, pp. 54–55.
[58]. It should be stated that Mr. Purdie, with characteristic courtesy, declines to publish this note as, after discovering his prior knowledge of the specimen, I requested him to do.
[59]. See Brewer, Proc. Bost. Soc. Nat. Hist. XVII, 1875, p. 446.
[60]. This Bulletin, Vol. VII, p. 40.
[61]. Voyages of Samuel de Champlain, translated from the French by Charles Pomeroy Otis, Ph.D., with historical illustrations, and a Memoir, by Rev. Edmund F. Slafter, A. M. Vol. II, 1604–1610, Boston, published by Prince Society, 1878.
[62]. Birds of the Northwest, 1874, pp. 679, 680.
[63]. Mr. Sennett and Dr. Merrill found it breeding on the Lower Rio Grande in Texas. (Sennett, B. Rio Grande, 1878, pp. 65, 66; Merrill, Ornith. Southern Texas, 1878, p. 172.)