Me Twelfth Supplement to the A. O. U. Check-List. 349 
544c, Passerculus rostratus sanctorum (RipGway). 
Passerculus sanctorum Ripcway, Proc. U. S. Nat. Mus., V, 
1883, 538. 
Passerculus rostratus sanctorum Wipcway, Bull. U. S. Nat. 
Mus., No. 50, pt. I, rgo1, 201. 
SupGENUS COTURNICULUS Bonaparte. This becomes a full 
genus, to include Nos. 545, 546, 546a, and 5464. Hence 
Genus COTURNICULUS Bonaparre. 
SupBGENUS CENTRONYX BaIrp. 
Centronyx Bairp, Pacific R. R. Reports, IX, 1858, 440. 
Type, Emberiza bairdi AUDUBON. 
545. Coturniculus bairdii (AupuroN). 
Emberiza bairdii AUDUBON, Birds Amer., VII, 1843, 359, pl. 
500. 
Coturniculus bairdii BONAPARTE, Consp. Avium, I, 1850, 481. 
SUBGENUS COTURNICULUS BONAPARTE. 
Coturniculus BONAPARTE, Geog. & Comp. List, 1838, 32. 
Type, /ringilla passerina WILSON. 
546. Ceturniculus savannarum passerinus (WILSON). 
Fringilla passerina Witson, Am. Orn., III, 1811, 76, pl. 26, 
FSi ns 
Coturniculus savannarum passerinus Ripcway, Proc. U. S. 
Nat. Mus., VIII, 1885, 568. 
546¢a. Coturniculus savannarum bimaculatus (Swainson). 
Ammodramus bimaculatus Swainson, Philos. Mag., n. ser., I, 
19:27,°43'5. 
Coturniculus savannarum bimaculatus RipGway, Bull. U. S. 
Nate Mus, No, 50, ot: 1,: 1902, 205. 
