408 CHARACTERS OF ITIRUNDO ERYTHROGASTRA 



Hirundo amerieana, Wils. " AO. i. 1812, 34, pi. 38, f. l, 2". DeWitt Clint. Ann. Lyc.N. Y. 

 i. 1824, 159. Bp. Journ. Phila. Acad. iv. 1825, 256. Sw. < Rich. FBA. ii. 1831, 329. 

 Peab. Rep. Orn. Mass. 1839, 344. Lcmbeye, Av. Cuba, 1850, 44, pi. 7, f. 2 Hoy, Pr. 

 Phila. Acad. 1853, 307. Kennic. Tr. Illinois Agric. Soc. i. 1855, 581. Bry. Pi\ Boat. Soc. 

 vL 1857, 115 (Nova Scotia). Gieb. Vog. 1860, 73, f. 13:.. 



Cecropis amerieana, l>oie, isis, 1844, 174. 



Hirundo cyanopyrrba, 7. "N. D. d'H. N. xiv. 1817, 510 ",- Ency. M6th. ii. 1823, 528, n. 41. 



? Hirundo fumaria, ? Licht. "Preis-Verz. Mex. V6g. 1830,2"; J. f. O. 1863, 58 (quotes 

 "ameriana "Wils."). 



Chimney Swallow, Penn. AZ. ii. 1785, 429, n. 330 (in part ; excl. refs. to Eur. sp.). 



Hirondelle u ventre roux de Cayenne, Buf. "Hist. Nat. Ois. vi. 607"; PE. 704, f. 1. 

 (Basis of H. erythrogaster.) 



Rufous-bellied Swallow, Lath. Syn. ii. pt. ii. 1783, 566 (based on Buff. PE. 704, f. 1). (Cay- 

 enne and New York.) 



Hirondelle rousse, Le Moine, Ois. Canad. 1861, 142. 



Barn Swallow, of authors. 



HAB. America. The North American bird inhabits in summer more par- 

 ticularly the United States and adjoining portions of British America, strag- 

 gling far north, however, to Alaska and Greenland ; in winter, Middle Amer- 

 ica, including the West Indies. Breeds at large in its United States range, 

 in Mexico, and doubtless elsewhere. 



OH. SP. $ 9 Chalybea, infra rufa,pectore semitorquato ; f route 

 rufa; caudd forficata, albo-notatd. 



, adult : Deep lustrous steel- 

 blue ; the forehead and entire 

 under parts rufous, generally 

 deepest on the forehead and 

 throat ; an imperfect steel-blue 

 collar. Wings and tail blackish, 

 with steel-blue or somewhat 

 greenish gloss ; the lateral pair 

 of tail-feathers much length- 

 ened and filiform at the end, 

 all but the central pair with a 

 white spot. Length, 6-7 inches, 

 very variable, according to the 

 development of the tail ; extent, 

 12-13i ; wing, 4f-5 ; tail, 3 to 

 5 inches, the fork 2-3 inches 

 deep. 



9 , adult : Quite like the $ , 

 but the colors rather less intense 

 and lustrous. 



Young: Lacking in great 

 measure the elongation and 



FIG. 46. Details of structure of Barn Swallow, attenuation of the lateral tail- 

 natural size. feathers, the fork being an inch 

 or lees in depth. Similar to the adults, but much duller, and with rather a 

 greenish than steel-blue lustre at an early age quite brown, with scarcely 

 any lustre, and the rump and upper tail-coverts skirted with rusty. Front- 

 let obscurely marked, or reduced to a mere tawny line, and under parts, 

 especially behind the dark collar, very pale, even brownish-white. 



