PASSERINA. 447 



2.55, exposed eulmen .45. Hah. "Western Mexico (Manzanillo 



Bay). 



P. parellina indigotica Kidgw. Turquoise-fronted Bunting.i 

 h^. Gonys more than .30 ; wing more than 2.85. 



Young inale (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 eulmen .50, gonys .32, depth of bill at base 

 .42, tarsus .70. Hab. Southern Mexico (Tehuantepec). 



P. sumichrasti Kidgw. Sumichrast's Bunting.^ 

 a^. Bill smaller and less swollen, with lateral outlines nearl}^ straight, and cutting- 

 edge of upper mandible straight, or even concave in middle portion. (Sub- 

 genus Passerina Yieill.) 

 ¥. Exposed eulmen less than .45 ; depth of bill at base equal to or greater 

 than length of bill from nostril. 

 &. Belly blue, white, purple, or dull buffy, 



d^. 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 Avith white (sometimes 

 tinged with ochraceous) ; breast (sometimes sides also) 

 deep ochraceous, or tawny; rest of lower parts white. 

 Adidt female: Above grayish brown, tinged with bluish on 

 rump, the Aving-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. Eggs 

 .74 X -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. amcena (Say). Lazuli Bunting^. 

 d?. 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 laltramarine-blue, changing 

 gradually to rich cerulean-blue on rest of plumage, the 

 hidden portion of wing- and tail-feathers blackish ; lores 

 black. Adidt female : Above brown, grayer on rump; be- 

 neath pale buffy brownish, becoming neai'ly 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., i" ad., Manzanilla Bay, Feb. 186.3; John Xantus. 

 ^ New species; type, No. 59683, U. S. Nat. Mus,, cf juv., Tehuantepec City, Oct. 28, 1869 j F. Sumichrast. 



