Note 63 — Family HIRUNDINIDÆ.—The Swallows.
Reading edition
Progne subis, var. concolor. Hirundo concolor, Gould, P. Z. S. 1837, 22 (James I., Galapagos). Progne c. Baird, Rev. Am. B. 1865, 278. Progne modesta, Gould, Birds Beagle, 39, pl. v. (Same specimen.)