162 



Fern. : as in the male, but with a circle round the base of the bill ; a line from the eye to the 

 lower part of the throat, and the tips of all the feathers below white. 



Nyroca brunnea nobis. 



Specimens of this species are in our own collection, and were received from Southern Africa. 

 Specimens are also in the South African Museum, brought home by Dr. Andrew Smith. 



HARELDA GLACIALIS. 



Ha. Mas. — Capite colloque albis ; macula auriculari brunnea omatus. 

 Ha. Fern. — Brunnea; gutture macula alba ornata. 



LONG-TAILED DUCK. 



Male duck, with the head and neck white ; with a brown auricular patch. 

 Fem. brown duck; the throat with a white patch. 



IN. IN. 



Length 22 Inner toe If 



Bill 11 Middle toe 2j 



Tarsi 1| Outer toe 2\ 



Male : head and neck white, with an auricular spot brown ; scapulars and tertiaries, abdomen, 

 and outer tail feathers white ; breast, back, wing and middle tail feathers brown ; during summer 

 the plumage becomes more obscure, and similar to that of the female ; middle tail feathers and 

 tertiaries much elongated ; bill black, with a band of red ; legs and toes yellow, with the membranes 

 dusky. 



Fem. : without the long tail and tertiary feathers ; dark brown, darkest on the back, the edge 

 of the feathers lightest ; throat with a large patch, and the under parts, light grey. 



The young similar to the female. 



Harelda (/facialis , Step//. Sh. Zoo/. 12. 1 ?•">. 



Anas ff/acia/is Linn. Syst. 1. 203. 



Gmel. Syst. 1. 529. 



Lath. hid. Orn. 2. 864. 

 Anas hyemalis , , Linn. Syst. 202. 29. 



Gmel. Sijst. 529. 29. 



Anas caudata harelda Rati Syn. 1 15. 1 4. 



Qucrquedu/aferroensis . , Briss. Orn. 6. 466. 



Anas /onfficauda is/andica Briss. Orn. 7. 299. 



Long-tai/ed Buck Penn. Brit. Zoo/. 2. 599. 



