LÖNNBERG AND RENDAHL, ORNITHOLOGY OF ECUADOR. 27 



10 



%, Rio Guaillabamba, below Zambiza, 7500 f.; 1 ad. %, Pichin- 

 cha, 11000 f. (»Caught alive, very tired and iinable to fly.» 

 L. S.) 



This series representing different stages of development 

 proves, that several cliaracteristics such as the barred tail, 

 the barred axillaries and lower wing co^^erts, the white notches 

 on the primaries and alula etc. in reality are juvenile features, 

 which are retained in a various degree even in adult birds. 

 As, however, just these same features are said to be charac- 

 teristie to T. fasciatum, the question arises, whether these two 

 really are distintc, or not. 



Dendrocycna discolor ScL. & Salv. — 1 c^, 2 $5 ad. & 1 ö^ 

 juv. from La Carolina, the former shot in Jan. the latter ^"/e- 

 The young bird differs from the adult in having no black on 

 the abdomen, which is greyish with narrow wMte crossbars. 



Dajila spinicauda Vieill. — ^ 1 c^ Vs' La Carolina; 1 (^ 

 juv. & 1 $ ad. ^Vg, Lake Mica, Antisana 13500 f.; 1 (^ "Vjq, 

 Pedregal, northern side of Cotopaxi, 11000 f. (plumage worn). 



Brabourne & Chubb have not recorded this species 

 further north than South Peru. 



Nettium andium Scl. & Salv. — 1 $ ^/jq (unsexed 7ii) 

 Pedregal, northern side of Cotopaxi 11000 f.; 1 c^ & 1 ? ^^e- 

 1 ? Vii Lake Mica, Antisana 13500 f. 



Querqicedula discors Lin. — 3 ad. males in full j)lumage 

 'Vs' ^4 ^^^^ ^74' ^ males in eclipse plumage -7io' Vn ^^^^ ^72 

 (juv.); 4 ad. females Otc, Jan. and March, one of the last in 

 new plumage the others rather worn. 6 young females Oct., 

 No v.. Febr. and March. All specimens from La Carolina. 



Querquedula cyanoptera Vieill. — 3 males in full plumage 

 (April, May, June) and one female (April) all from La Caro- 

 lina. 



Nyroca nationi Sclater & Sal vin. — 2 males '^2 1915, 

 La Carolina. This interesting duck appears to be new to the 

 fauna of Ecuador. 



Nyroca affinis Eyton. — An immature male from La Ca- 

 rolina, ^-/s- 



Erismatura aequatorialis Sal v ad. — A female and a young 

 chick, mostly in down, collected 7a 1911 on the northeastern 



