1919- CATALOGUE or BIRDS OF THE AMERICAS CORY. 509 



Picumnus aurifrons aurifrons (Pelzelri). AMAZONIAN GOLDEN-FRONTED 

 PICULET. 



Picumnus aurifrons PELZELN, Orn. Bras., 1870, p. 334 (Engenho do Gama); 



HARGITT, Cat. Bds. Brit. Mus., XVIII, 1890, p. 546 (Borba, Rio Madeira); 



HELLMAYR, Nov. Zool., XIV, 1907, p. 398 (Humaytha, Ril Madeira); 



SNETHLAGE, Bol. Mus. Goeldi, VIII, 1914, p. 257 (Rio Tocantins; Rio Caura); 



BEEBE, Zoologica, II, No. 3, p. 63 (Para). 

 Picumnus aurifrons aurifrons HELLMAYR, Nov. Zool., XVII, 1910, p. 385 (Col- 



ima, S. Isabel; Jamarysinho). 



Range: Northern Brazil. 



Picumnus aurifrons flavifrons (Hargitt). YELLOW-FRONTED PICULET. 

 Picumnus flavifrons HARGITT, Ibis, 1889, p. 229 (Sarayacu, eastern Peru); Id., 



Cat. Bds. Brit. Mus., XVIII, 1890, p. 547, pi. XIV, figs. 1-2 (Sarayacu); 



HELLMAYR, Nov. Zool., XIV, 1907, p. 80 (Teffe). 

 P[icumnus] aurifrons flavifrons HELLMAYR, Nov. Zool., XVII, 1910, p. 386, 



in text, crit. 



Range: Eastern Peru and northwestern Brazil (Teffe). 



Picumnus borbse Pelzeln. PELZELN'S PICULET. 



Picumnus borba PELZELN, Orn. Bras., 1870, pp. 241, 334 (Borba, Rio Ma- 

 deira); HARGITT, Cat. Bds. Brit. Mus., XVIII, 1890, p. 547; HELLMAYR, 

 Nov. Zool., XIV, 1907, p. 398 (Borba, Rio Madeira); Id., XVII, 1910, p. 

 386 (Borba); SNETHLAGE, Bol. Mus. Goeldi, VIII, 1914, p. 257 (Rio Tapa- 

 joz; Rio Jamauchin). 



Range: Madeira and Tapajoz River regions, Brazil. 



Picumnus wallacii Hargitt. WALLACE'S PICULET. 



Picumnus wallacii HARGITT, Ibis, 1889, p. 230 (upper Amazons); Id., Cat. Bds. 



Brit. Mus., XVIII, 1890, p. 547, pi. XIV, fig. 3. 

 P. wallacii HELLMAYR, Nov. Zool., XIV, 1907, p. 80, in text.' 



Range: Upper Amazons. 



*Picumnus olivaceus olivaceus Lafresnaye. OLIVACEUS PICULET. 



Picumnus olivaceus LAFRESNAYE, Rev. Zool., VIII, 1845, p. 7 (Bogota, Col- 

 ombia); HARGITT, Cat. Bds. Brit. Mus., XVIII, 1890, p. 548, part; STONE, 

 Proc. Acad. Nat. Sci. Phila., 1899, p. 305 (Ibague). 



Picumnus olivaceus olivaceus RIDGWAY, Proc. Biol. Soc. Wash., XXIV, 1911, p. 

 34; Id., Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 303, in key; HELL- 

 MAYR, Proc. Zool. Soc. Lond., 1911, p. 1190; CHAPMAN, Bull. Am. Mus. 

 Nat. Hist., XXXVI, 1917, p. 356 (La Frijolera; El Eden; Rio Toche; La 

 Candela; San Agustin; La Palma; Chicoral; Honda; Puerto Berrio; Ma- 

 lena, Colombia). 



Suggests that the type of P. wallacii may prove to be an immature specimen 

 of P. aurifrons. 



