382 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



KEY TO THE SPECIES AND SUBSPECIES OP HYPNELUS. 



a. Under parts with two broad dark bands, one across foreneck, the other across upper 

 breast; throat buff or buffy white. (Venezuela, including Margarita Island.) 



Hypnelus bicinctus (extraliniital).a 



aa. Under parts with only one broad dark band, a black one across upper breast; 



throat cinnamon or russet to nearly chestnut, bordered posteriorly by a band of 



buffy white across chest. {Hypnelus ruficollis.) 



b. Paler; under parts of body cream-buff to nearly buffy white; throat cinnamon 



to cinnamon -buff, followed by a much broader jugular band of buffy white; 



black pectoral band narrower; pale spots on scapulars, etc., much larger. 



(Northern Colombia.) Hypnelus ruficollis ruficollis (p. 382), 



bb. Darker; under parts of body deep buff; throat (much more extensively) 

 chestnut-cinnamon, followed by a very narrow band of buffy white; black 

 pectoral band broader; pale spots on scapulars, etc., much smaller. (Vene- 

 zuela.) H3T)nelus ruficollis coloratus (extralimital).& 



HYPNELUS RUFICOLLIS RUFICOLLIS (Wagler). 



ETJSSET-THROATED PUFF-BIRD. 



Adults {sexes alike). — Pileum, hindneck, and upper back deep 

 broccoli brown, some of the feathers with indistinctly paler tips, the 

 anterior portion of the forehead suffused with cinnamon or cinnamon- 

 buff; a whitish or pale buffy collar across hindneck; lower back, 

 scapulars, and wing-coverts deep broccoli brown, each feather with a 

 large terminal guttate or ovate area of very pale brownish gray; rump 

 and upper tail-coverts deep broccoli brown, the feathers rather broadly 

 tipped with buff; remiges and rec trices grayish brown (nearly hau^ 

 brown) narrowly margined with dull whitish, the inner secondaries 

 paler and more grayish, at least termmally ; lores dull white or buffy, 

 passing into more decided buff' or cinnamon-buff on anterior portion 

 of forehead; suborbital and auricular regions dull white; a broad 

 malar stripe and sides of neck deep broccoli brown (the former 

 darker) ; anterior portion of malar region and whole of throat cin- 

 namon, deeper or more saturated (nearly russet) centrally, fading 

 into cinnamon-buff anteriorly and posteriorly, the upper chest clear 

 bufl'y white, succeeded by a rather broad band of black across lower 

 chest or upper breast; rest of under parts light buff, cream-buff', or 



a Tamatia bicincta Gould, Proc. Zool. Soc. Lond., 1836, 80 ("Cayenne?"). — B[ucco\ 

 bicinctus Gray, Gen. Birds, i, Dec, 1846, 74. — Bucco bicinctus Sclater, Proc. Zool. Soc. 

 Lond., 1855, 196; Mon. Jacamars and Puff-birds, 1882, 91, pi. 30; Cat. Birds Brit. 

 Mus., xix, 1891, 188. — [Capito] bicincta Bonaparte, Consp. Av., i, 1850, 146. — [Chau- 

 nomis] bicincta Bonaparte, Ateneo Italiano, ii, 1854, 128 (Consp. Volucr. Zygod., 

 1854, 13). — H[ypnelus] bicinctus Cabanis and Heine, Mus. Hein., iv, heft 1, 1863, 143 

 (Puerto Cabello, Venezuela). — Tamatia bitorquata Swainson, Anim. in Menag., Jan. 1, 

 1838, 327 ("Trinidad"). 



A specimen of this species from Margarita Island, Venezuela, is so much paler than 

 one from Valencia, on the mainland, that subspecific difference is strongly indicated. 



b New subspecies. (Type from Encontrados, Venezuela; coll. Field Mus. Nat. 

 Hist.) 



