354 Twelfth Supplement to the A. O. U. Check-List. hate 
Groc. Dist.— Lower Rio Grande, in ‘Texas, south through 
eastern Mexico and Central America, to Costa Rica (both sides). 
The subspecies sarfe/ is not satisfactorily differentiated from 
morelleti. (Cf. Ripcway, Bull. U.S. Nat. Mus., No. 50, pt. I, 
COC L. 575.) 
(607.1.| Piranga rubriceps Gray. ‘This is removed from the 
‘ Check-List > and becomes 
18.1. Piranga rubriceps Gray, of the ‘ Hypothetical List.’ 
Genus IRIDOPROCNE Couves. 
[ridoprocne Cours, Birds Colo. Valley, 1878, 412. ‘Type, 
Hirundo bicolor NikiLLoT. (Cf Covers, Osprey, III, 1899, 
144.) Hence No. 614 becomes 
614. Iridoprocne bicolor (Viri_Lor). 
Flirundo bicolor ViriLLor, Ois. Am, Sept., I, 1807, 61, pl. 31- 
[[ridoprocne| bicolor Cours, Birds Colo. Valley, 1878, 412. 
) 7%) 4 
6l5a. Tachycineta thalassina brachyptera BrrwsTer. 
Saint Lucas Swallow. 
Lachycineta thalassina brachyptera Brewster, Bull. Mus. 
Comp. Zodl., XLI, 1902, 167. 
[B 228, part, C 113, part, R 156, part, C 161, part. | 
Groc. Dist.-—Cape region of Lower California. (C/% BREWSTER, 
Bull. Mus. Comp. Zool., XLI, 1902, 167.) 
6270. Vireo gilvus swainsonii (Bairp). 
Western Warbling Vireo. 
Vireo swainsonti Barrp, Pacific R. R. Reports, IX, 1858, 336. 
V [ireo 
g[tlvus] swainsonit CovEs, Key N. A. Birds, 1872, 121. 
(B 248, part, C 1asa, Ri.136¢e,,C 175, ) 
