NO. 1881. FORMS OF GOLLOCALIA FUCIPHAOA—OBERHOLSER. 15 



COLLOCALIA FUCIPHAGA CAPNITIS Thayer and Bangs. 



Collocalia fusciphaga [sic] capnitis Thayer and Bangs, Bull. Mus. Comp. Zool., 

 vol. 52, May, 1909, p. 139 (Wan-tao-ehan, Hupeh, China). 



Chars, suhsp. — Resembling Collocalia fuciphaga fudphaga, but 

 much larger; lower parts much more grayish, with dark shaft streaks 

 more conspicuous; upper surface less brownish and more uniform — 

 the rump, while appreciably paler than the back, being much less thus 

 contrasted. 



Description. — Type, adult male. No. 50013, Museum of Compara- 

 tive Zoology; Wan-tao-shan, Hupeh, central China, June 5, 1907; 

 Walter R, Zappey. Upper parts clove brown, slightly greenish, 

 the rump somewhat paler than the back, but not conspicuously so; 

 tail clove brown, all but the outer pair very slightly glossed with 

 greenish; exposed surface of the wing-coverts like the back; wing- 

 quills clove brown, very shghtly glossed on exterior webs with 

 greenish, the inner webs much paler, more so basally; ear-coverts 

 and sides of neck smoky brown; lores pure white basally, the feather 

 tips clove brown; under surface somewhat brownisli smoke gray, 

 a little the darkest on the breast, posteriorly with very evident dark 

 brown shaft lines, these heaviest and darkest on the lower tail-coverts. 



Measurements. — Wing, 122 mm.; tail, 58; exposed culmen, 5; 

 tarsus, 10.1. 



Type-locality. — Wan-tao-shan, Province of Hupeh, China. 



Geographical distribution. — Province of Hupeh, central China. 



This northern race is apparently about the size of Collocalia fuci- 

 phaga elaphra, perhaps a little larger; but it is very much less brownish 

 above, wath a decidedly more greenish sheen, and the rump is but 

 little paler than the back; the smoky gray of the lower surface is less 

 brownish, and is (hxrker posteriorly; the dark shaft streaks on the 

 breast and abdomen are more conspicuous. Compared with Collo- 

 calia fuciphaga amechana, of the Anamba Islands, it is larger, more 

 brownish, somewhat more greenish-glossed on the upper parts, with 

 the rump much less paler than the back; lower surface not so browTUsh, 

 and posteriorly darker; dusky shaft streaks on breast and abdomen 

 more evident. 



The type is tlie only specimen thus far known, 



COLLOCALIA FUCIPHAGA VESTITA (Lesson). 



Salangana vestita Lesson, I'Echo du Monde Savant, ser. 2, vol. 8, 1843, p. 134 



(Sumatra). 

 Collocalia nidifica Gray, Genera Birds, vol. 1, 1845, p. 55 (Sumatra). 



Chars, suhsp. — Similar to CoUocalia fuciphaga fuciphaga, but 

 apparently somewhat larger; lower surface somewhat lighter; upper 

 parts decidedly darker, more blackish (less brownish), and almost 

 uniform, the rump not appreciably lighter than the back, the pileum 

 scarcely, if any, darker. 



