INSESSORES I FRINGILLID^E. 



215 



slate-gray ; the upper surfaces of wings, tail, and coverts, 

 dark brownish-rufous ; under parts white, with arrow- 

 shaped spots of slate-gray. 



The fourth group comprises those which are bright- 

 colored, usually without streaks, and with a large bill. 



The Genus Calamospiza comprises the Lark Bunting or 

 White-winged Blackbird, C. bicolor, Bonap., of the Central 

 Plains, which is six and a half inches long, the wing three 

 and a half inches. 



The Genus Euspiza comprises the Black-throated Bunt- 

 ing, E. amcricana, Bonap., of the United States east of the 

 Central Plains, which is six and seven tenths inches long, 

 the wing three and a half inches ; the sides of the head 

 and neck and back of the neck, ash ; crown yellowish 

 green, streaked with dusky ; superciliary stripe, middle 

 of the breast, and edge of the wing, yellow ; under parts 

 white, with a black patch upon the throat. 



The Genus Guiraca has the bill very large. 



The Rose-breasted Grosbeak, G. ludoviciana, Sw., of 

 North America east of the Missouri, Fig. 121. 



is eight and a half inches long, the 

 wing over four inches ; the upper 

 parts, head, and neck all round, glos- 

 sy black ; a broad crescent across 

 the breast, axillaries, and under 

 wing-coverts, carmine. The rest of 

 the under parts, the rump, and up- 

 per tail-coverts, middle wing-coverts, 

 spots on tertiaries and wing-coverts 

 and the basal half of primaries and 

 secondaries, and a large patch on 

 the inner web of the outer three 

 tail-feathers, pure white. The fe- 

 male is without black or carmine, 

 or the white of the quills, tail, and rump. The song 

 of this Grosbeak is loud, clear, and mellow. 



Rose-breasted Grosbeak, 

 G. ludoviciana, Sw. 



