PASSERINA. 447 
2.55, exposed culmen .45. Hab. Western Mexico (Manzanillo 
Bay). 
P. parellina indigotica Ripaw. Turquoise-fronted Bunting. 
6% Gonys more than .30; wing more than 2.85. 
Young male (adult male and female unknown): Above brown (of a 
tint intermediate between bistre and raw-umber); beneath similar 
but paler; quills edged with ash-gray; length (skin) 5.50, wing 
2.90, tail 2.50, exposed culmen .50, gonys .32, depth of bill at base 
42, tarsus .70. Hab. Southern Mexico (Tehuantepec). 
P. sumichrasti Ripew. Sumichrast’s Bunting.” 
a. Bill smaller and less swollen, with lateral outlines nearly straight, and cutting- 
edge of upper mandible straight, or even concave in middle portion. (Sub- 
genus Passerina V1EtLu.) 
b', Exposed culmen less than .45; depth of bill at base equal to or greater 
than length of bill from nostril. 
c'. Belly blue, white, purple, or dull buffy. 
ad. Wing with one or two white or pale buffy bands; belly pure white. 
Adult male: Head, neck, and upper parts turquoise-blue, the 
back darker and duller; middle wing-coverts broadly and 
greater coverts narrowly tipped with white (sometimes 
tinged with ochraceous); breast (sometimes sides also) 
deep ochraceous, or tawny; rest of lower parts white. 
Adult female: Above grayish brown, tinged with bluish on 
rump, the wing-coverts tipped with dull whitish or buffy; 
anterior lower parts pale dull buffy, deeper on chest, and 
fading into white on belly and lower tail-coverts. Young: 
Similar to adult female, but without blue tinge on rump. 
Length 5.00-6.25, wing 2.70-2.95, tail 2.30-2.80. Hggs 
74> .55, plain bluish white, or very pale greenish blue. 
Hab. Western United States, east to Great Plains, south, 
in winter, to western Mexico. 
599. P. amoena (Say). Lazuli Bunting. 
@, Wing without any distinct light bands; belly not white, or else 
breast more or less distinctly streaked with darker. 
e. Culmen gently curved; cutting-edge of upper mandible 
straight, or even faintly convex. Adult male: Head, neck, 
and median lower parts rich ultramarine-blue, changing 
gradually to rich cerulean-blue on rest of plumage, the 
hidden portion of wing- and tail-feathers blackish; lores 
black. Adult female: Above brown, grayer on rump; be- 
neath pale buffy brownish, becoming nearly or quite white 
on belly, deeper and more or less streaked with darker on 
breast and sides. Young: Similar to adult female, but 
1 New subspecies; type No. 30142, U.S. Nat. Mus., ¢ ad., Manzanilla Bay, Feb. 1863; John Xantus. 
2 New species; type, No. 59683, U. S. Nat. Mus., f juv., Tehuantepec City, Oct. 28, 1869; F. Sumichrast. 
