

-■«* 



306 



REVIEW OF AMERICAN BIRDS. 



[part I. 





: 



genus among American Swallows. In two specimens before me I 

 can make out only ten tail feathers, and cannot say whether more 

 exist. Neither has the wings perfect, so that I cannot indicate the 

 number of primaries. The type, and hitherto single representative 

 of the section, is A. fasciata, of Cayouue.* 



NoTiocHELiDON, Baird. 

 Notiochelidon, BkitLD. (Type Atticora pileata, Qovvo,') 



Bill small ; nostrils superior, as in Atticora, but less perfectly circular. 

 Tarsi entirely bare, even on the joint of tibia, rather long — equal to middle 

 toe and half claw. Lateral toes short ; about equal, or the outer a little the 

 longer ; the claws all stout, sharp, much curved. Outer toe adherent for 

 nearly half its length (two terminal joints free) ; the terminal one and a half 

 joints, or three-fifths of middle toe free. Inner toe united to basal two-thirds 

 of middle. Tail deeply forked for about one-third the length, the branches 

 divaricated. 



No metallic lustre, except upon the top of head. Beneath white ; the 

 crissum blackish. 



This form differs from typical Atticora in less deeply forked tail, 

 and in less adhesion of toes — the middle toe being free externally 

 for one and a half joints, instead of only one, and internally in pro- 

 portion. The feet are more slender, and the claws less curved ; the 

 tarsus entirely bare, even to the joint. 



' Atticora fasciata. 



Uirundo fasciata, Gm. S. N. I, 1788, 1022 (based on PI. enl. 724, fig. 2, 

 ■ (Cayenne). — S\v. Zool. 111. 2d ser. pi. xvii. — Atticora fasciata, 

 BoiK, Isis, 1844, 172.— Bpem. Ueb. Ill, 1857, 146.— Sclater, Catal. 

 1861, 39, no. 236. 



iff Hab. Brazil and Cayenne. 



Entirely glossy black, with faint dark steel blue lustre ; wings and tail 

 duller. A sharply defiued white band across the sides and middle of breast; 

 tibiae white. The claws very sharp. 



(No. 149.) Total length, 5.40 ; wing, 3.90 ; tail, 3.20 ; depth of fork, 1.20; 

 length of bill from forehead, .37, from nostril, .20, along gape, .46, .width, .38; 

 tarsus, .50; middle toe and claw, .50, claw alone, .19; hind toe and claw, 

 .34, claw alone, .19. 



