404 Field Museum of Natural History — ZoOlogy, Vol. XIII. 



Nonnula ruhicola Dabbene, Bol. Soc. Physis, I, No. 6, 1914, p. 323 (Missiones).* 

 Range: Paraguay, and extreme north eastern Argentina (Mis- 

 siones) to southeastern Brazil. 



Nonnula nibecula cineracea {Sclater). Cinereous Red-breasted 

 Nonnula. 



Nonnula cineracea Sclater, Proc. Zool. Soc. Lond., 1871, p. 778 (Rio Javari, 

 northeastern border of Peru); Id., Mon. Jacamars and Puff-birds, 1882, p. 

 135, pi. 45, fig. 2; Id., Cat. Bds. Brit. Mus., XIX, 1891, p. 200. 



Nonnula rubecula cineracea Hellmayr, Nov. Zool., XVII, 1910, p. 393 (Borba, 

 Rio Madeira). 



Range: Northeastern Peru and northwestern Brazil. 



Nonnula rubecula duidae'' (Chapman). Duida Nonnula. 



Nonnula duida Chapman, Bull. Am. Mus. Nat. Hist., XXXIII, 1914, p. 195 

 (Foot of Mt. Duida, alt. 700 feet, southern Venezuela). 



Range: Mt. Duida, upper Orinoco Region, southern Venezuela. 



Nonnula sclateri" Hellmayr. .Sclater's Nonnula. 



Nonnula sclateri Hellmayr, Bull. Brit. Om. Club, XIX, 1907, p. 55 (Humaytha, 

 Rio Madeira, western Brazil); /d., Nov. Zool., XIV, 1907, p. 401 (Humaytha); 

 Id., XVII, 1910, p. 394 (Humaytha). 



Range: Rio Madeira region, western Brazil. 



Nonnula ruficapilla (Tschudi). Rufous-headed Nonnula. 



L[ypornis] ruficapilla Tschudi, in Wiegmann's Archiv. fur Naturg., 1844, pt. I, 



p. 300 (Peru). 

 Malacoptila ruficapilla Sclater, Ann. & Mag. Nat. Hist., (2), XIII, 1854, p. 480. 

 Nonnula ruficapilla Sclater, Mon. Jacamars and Puff-birds, 1882, p. 137, pi. 



46, fig. I; Id., Cat. Bds. Brit. Mus., XIX, 1891, p. 200; Ridgway, Bull. U. S. 



Nat. Mus., No. 50, VI, 1914, p. 401, in key. 



Range: Lower Amazon Valley to southeastern Brazil. 



Nonnula frontalis {Sclater). Panama Nonnula. 



Malacoptila frontalis Sclater, Ann. & Mag. Nat. Hist., (2), XIII, 1854, p. 479 

 (Interior of Colombia) ;/d., Syn. Buccon., 1854, p. 20; Id., Proc. Zool. Soc. 

 Lond., 1855, p. 136 (Bogota); Lawrence, Ann. Lye. Nat. Hist., N. Y., VII 

 1862, p. 318 (Lion Hill, Panama). 



« Quotes Bertoni, Ann. Soc. Cient. Arg., LXXV, 1913, p. 86. 



^ Nonnula rubecula duidce (Chapman): Similar to N. r. cineracea, but lores, chin, 

 throat and breast ochraceous tawny. 



" Nonnula sclateri Hellmayr: Belongs to the group represented by N. r. rubecula 

 and A'^. r. cineracea, but differs from both by its much smaller size, deep ochraceous 

 buff frontal band, lores and chin. It also lacks the white patch below the eye. The 

 eyelid is bright red and almost bare, while in the allied species it is black and covered 

 with numerous feathers of pure white. 



