Note 65 — Family HIRUNDINIDÆ.—The Swallows.
Reading edition
Progne subis, var. elegans. Progne elegans, Baird, Rev. Am. B. 1865, 275. (Vermejo River. ? Progne purpurea, Darwin, B. Beagle 38 (Montevideo, November), Bahia Blanca, Buenos Ayres, September.)