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ANAS NYROCA. 
CASTANEOUS DUCK, 
Olive black; head, throat, breast and 
flanks chesnut ; belly white; rump black; 
vent snowy. 
Anas Nyroca, Gme. Lath. 
Tufted Duck, (var.) Lath. 
Olive Tufted Duck, Turton 
Anas Africana, Gme. Lath. 
African Teal and Nyroca Duck, Lath, 
La Sarcelle d Egypte, Buff. 
Le Nyroca, Sonnini 
Anasrufa, Lin. 
Anas ferruginea, Gme. 
Red duck, Pen. 
Ferruginous Duck , Pen . Lath . 
Red breasted Duck, Lewin 
Castaneous Duck, Mont. 
Mr. Pennant, author of a work entitled 
British Zoology, described a bird belong- 
ing to this genus, under the title oiFerru- 
2 T 
