392 Field Museum of Natural History — Zo6logy, Vol. XIII. 



Notharchus hyperrhynchus leucocrissus Chapman, Bull. Am. Mus. Nat. HLst. 



XXXVI, 191 7, p. 340, crit.* (Honda, Colombia). 

 (?) Bucco dysoni Stone, Proc. Acad. Nat. Sci. Phila., 1913, p. 199 (Manimo 



R., Venezuela). 

 Notharchus napensis ScLATER, Cat. Am. Bds., 1862, p. 269 (Napo, Ecuador). 



Range: Western Ecuador; northern Venezuela; Colombia, and 

 eastern Panama. 



4: "W. Ecuador (Riccado)" i; Venezuela (Encontrados) i; Colom- 

 bia 2. 



♦Notharchus hjrperrhjmchus dysoni (Sclater). Dyson's Puff-bird. 



Bucco dysoni Sclater, Proc. Zool. Soc. Lond., 1855, p. 193 (Honduras); Id., Men. 

 Jacamars and Puff-birds, 1802, p. 67, pi. 21; Id., Cat. Bds. Brit. Mus., XIX, 

 1891, p. 182, part (Honduras; Guatemala; Nicaragua; Chiriqui, Panama), 

 Salvin and Godman, Biol. Centr.-Am., Aves, II, 1896, p. 511 (Central 

 America). 



Notharchus hyperrhynchus dysoni Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 

 1914, p. 376, part (Central America and Mexico). 



Range: Southeastern Mexico (Oaxaca and Chiapas); Guatemala; 

 British Honduras; Honduras; Nicaragua; Costa Rica, and western 

 Panama. 



i: ''Panama." 



♦Notharchus swainsoni {Gray and Mitchell). Swainson's Puff-bird. 

 Bucco swainsoni Gray and Mitchell, Gen. Bds., I, 1846, p. 74, pl. XXVI 



(Brazil); Sclater, Mon. Jacamars and Puff-birds, 1882, p. 73, pl. 23; Id., 



Cat. Bds. Brit. Mus., XIX, 1891, p. 183; Dabbene, Bol. Soc. Physis, I, No. 



6, 1914, p. 322 (Paraguay and Missiones, northeastern Argentina). 

 Notharchus swainsoni Cabanis and Heine, Mus. Hein., IV, I, 1863, p. 151; 



Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 376, in key. 



Range: Southeastern and southern Brazil, Paraguay and extreme 

 northeastern Argentina (Missiones). 

 i: Brazil ("Faz Cajoa"). 



*Notharcus pectoralis (Gray). Black-breasted Puff-bird. 



Bucco pectoralis Gray, Gen. Bds., I, 1846, p. 74, pl. 26 (no locality given);'' 

 Sclater, Mon. Jacamars and Puff-birds, 1882, p. 75, pl. 24; Id., Cat. Bds. 

 Brit. Mus., XIX, 1 89 1, p. 184; Wyatt, Ibis, 1871, p. 374 (Magdalena Val- 

 ley, Colombia); Berlepsch, Journ. fur Omith., 1884, p. 277 (Bucaramanga 

 Colombia); Salvin and Godman, Biol. Centr.-Am., Aves, II, 1896, p. 513; 

 Hellmayr, Proc. Zool. Soc. Lond., 1911, p. 1194 (Novita; Tado; Noanama, 

 Colombia). 



• Chapman states that two specimens from Honda, Colombia, agree with spec- 

 imens from eastern Panama and the Panama R.R., and also with one from Chone, 

 western Ecuador. 



•> I suggest for the type locality Valley of the lower Magdalena River, Colombia. 



