48 Sixth Supplement to the A, O. U. Check-List. pe 
Columbigallina passerina terrestris CuAPMAN, Bull Am. 
Mus. Nat. Hist., 1V, 1892, 292. 
The type of C. passerina came fromthe Island of Jamaica and 
is subspecifically separable from the bird of the southeastern 
United States. 
341. Buteo albicaudatus Vieini. This becomes 
341. Buteo albicaudatus sennetti ALLEN. 
Sennett’s White-tailed Hawk. 
Buteo albicaudatus sennettt ALLEN, Bull. Am. Mus. Nat. 
Hist., V, 1893, 144. 
Has. Rio Grande Valley, Texas, and southward into Mexico. 
417 a. Antrostomus vociferus arizone Brewst. This 
becomes 
Antrostomus vociferus macromystax (WAGLER). 
Caprimulgus macromystax WAGLER, Ibis, 1831, 533. 
Caprimulgus vociferus macromystax HArrert, Ibis, 1892, 
256. 
Cf. HarTERT, 1. c. 
Dolichonyx oryzivorus albinucha Rincw. This 
becomes a synonym of Dol¢chonyx oryztvorus 
(Linn.). (Cf. Cuapman, Auk, X, Oct. 1893, 
494 a. 
STs) 
Genus Campylorhynchus Spix (p. 325). This becomes 
Grnus Heleodytes Cananis. 
Heleodytes CasBanis, Mus. Hein. I, 1850, 80. Type /r- 
NaArlUus OTUSEUS SWAIN. 
Campylorhynchus Spix, 1824, is preoccupied in Coleoptera 
by Campylirhynchus MEGERLE, 1821. (Cf. PALMER, Auk, X, 
Jan. 1893, 86.) Hence Nos. 713 and 714 will stand as follows :— 
713. Heleodytes brunneicapillus (LArr.). 
714. Heleodytes affinis (\ANTUus). 
