Birds from British East Africa. 525 



187. Sarcidiornis africana. Knob-billed Duck. 

 Sarcidiornis africana Strickl. 



Iris dark brown ; legs and feet dark plumbeous. 



188. Chenalopex ^egyptiaca. Egyptian Goose. 

 Chenalopex agyptiaca (Linn.). 



Iris yellow-brown ; bill purplish-pink ; legs light pink. 



189. Anas undulata. Yellow-billed Teal. 

 Anas undulata Dubois. 



Iris brown ; bill yellow, patch on culmen black ; legs black. 

 The commonest Duck wherever we went in East Africa 

 and excellent for eating. 



190. QuERQUEDULA ciRCiA. Gargancy. 

 Querquedula circia (Linn.). 



Iris brown ; bill slate-coloured ; legs dusky. 



191. Querquedula hottentotta. Hottentot Teal. 

 Querquedula hottentotta Smith. 



Bill dark slate-blue ; legs black. 



192. PfficiLONETTA ERYTHRORHYNCHA. Crimson-biUed 

 Duck. 



Poecilonetta erythrorhynclia (Gmel.). 



Iris brown ; bill purplish-piuk ; legs black. 



A fairly plentiful species at Naivasha. 



193. Thalassornis leuconotus. White-backed Duck. 



Thalassornis leuconotus Eyt. 



Iris dark brown ; bill dusky ; legs black. 



The White-backed Duck was comparatively scarce at 

 Naivasha when I was there, and was very shy and difficult to 

 approach ; only two specimens were obtained. 



194. CoLUMBA guinea. South- African Speckled Pigeon. 

 Columba guinea Salvad. 



Iris orange ; bill black ; legs light red. 



195. TuRTUR lugens. Red-eyed Turtle-Dove. 

 Turtur lugens (Riipp.). 



The Red-eyed Turtle-Dove was obtained at Kapiti, but 



