Birds from British East Africa and Uganda. 71 



ill the dry skin to have an altogether black leg, but if carefully 

 examined a difference can be noted and doubtless the upper 

 half of the leg was yellow ; though unfortunately no soft 

 parts are recorded on the label, except those of the eye. 



[Irides yellow, skin around eye greenish yellow ; bill 

 yellow ; legs and toes black, upper half of leg yellow. 

 Common on Lake Naivasha.] 



79. Egretta garzetta garzetta. Little Egret. 



Ardea garzetta Linn. Syst. Nat. 12th ed. i. 1766, p. 237 : 

 " in Oriente." 



a. ? ad. Lake Naivasha, 6700 ft. Dec. 4. 



Total length in flesh : 25 inches. ^Ying : 265 mm. 



Rather worn and moulting. Back and breast plumes 

 poor ; no nape plumes. 



[Skin round eyes greenish yellow ; bill black, base of 

 lower mandible whitish brown; legs black, feet greenish 

 yellow.] 



80. Butorides atricapilla. African Black-headed Heron. 

 Ardea atricapilla Afzelius, Kongl. Vet.-Akad. nya Handl. 



Stockh. XXV. 1804, p. 264 : Sierra Leone. 



a. ^ imm. Narossura River, 4950 feet. Nov. 12. 



Total length in flesh : 18|^ inches. Wing : 172 mm. 



In fresh first plumage. 



[Irides yellow, above and below eye greenish yellow ; 

 bill black, lower half of lower mandible green ; legs and 

 toes green in front, yellow behind. Stomach contained 

 frogs. Only two seen.] 



81. Bubulcus ibis. Bufi"-backed Egret. 



Ardea ibis Linn. Syst. Nat. 10th ed. 1758, p. 144: 

 Egypt. 



a. ? ad. Lake Naivasha, 6700 ft. Dec. 4. 



Total length in flesh : 19^ inches. Wing : 240 mm. 



In winter dress and still moulting. Somewhat worn. 



[Irides yellow, round eye whitish yellow ; legs and toes 

 dark brown.] 



