1919-] Ecuador, Peru, Bolivia, and Argentina. 275 



1901. "Pata.'^ "Iris brown; bill and feet black" 

 (P. 0. Simons). 



This bird is in immature plumage. 



Chloephaga melanoptera. 



Anser melunopteriis Eyton, Monogr. Anat. 1838, p. 93 : 

 " obtained from the lake of Titicaca, Chile." 



Bernicla melanoptera Tacz. Orn. Per. iii. 1886. p. 467 : 

 Lake Junin. 



Chlof^phaga metanoptera Salvad. Cat. B. Brit. Mus. xxvii. 

 1895, p. 129. 



No. 1592. $. North of Marca, Peru, 4100 metres, 

 21 Dec. 1899. '^ Ganza." ''Eye black; feet red; bill 

 pink^^ (P. 0. Simons). 



This individual is in fully adult plumage. 



Anas cristata. 



Anas cristata Gmel. Syst. Nat. i. 1789, p. 540 : " Habitat 

 in Statenland'^; Tacz. Orn. Per. iii. 1886, p. 473: Lake Juniu. 



No. 2242. ? . Aricoma Lake, Peru, 4550 metres, 

 29 July, 1900. '■ Pata cancana." "Iris salmon : bill and 

 feet black '" (P. O. Simons). 



This specimen is in fully adult plumage. 



Nettium andium. 



Querfjuedula andium Sclater & Salvin, Nomencl. Av. 

 Neot op. 1873, i)p. 12'J, 162: between Riobatnba and Mocha. 



Nettium andium Hrabourne & Chubb. B. S. Amei". i 1912, 

 p. 56, no. 518. 



Nos. 288 S. 292 ? . Sinche, Guaraiula, Ecuador. 4000 

 metres, 23 Dec. 1899. "Pata." 



This specimen is in fully adult [)lumage. 



Querquedula discors. 



Anas discors Linn. Syst. Nat. 12th ed. i. 1766, p. 205 : 

 " Habitat in America septentrionali.'^ 



Querquedula discors Salvad. & Festa, Bol. Mus. Torino, xv. 

 19 JO, >Jo. 368, p. 50 : Laguna di Kingora, Sigsig, Ecuador. 



Nos. 377 ?, 380 c?. Colta, Riobainba, Ecuador, 3100 

 metres, 9 Jan. 1899. 



Both of these specimens are in fully adult plumage. 



