WARBLER. 81 



67.— OLIVE-BACKED WARBLER. 



LENGTH three inches and a half. Bill dusky; upper parts of 

 the plumage in general olive green ; beneath yellow, inclining on 

 the chin to rufous ; feathers of the wings dusky, edged olive green ; 

 tail the same, with a large dusky black patch on each feather, 

 forming a band when spread. 



In one specimen the crown of the head was brown, with minute 

 white streaks, and the under parts, from chin to breast, mixed dusky 

 and dusky white; the back too was darker; in other markings, 

 especially the tail, both were the same : probably differing only in 

 sex. — Inhabits Africa. — Mr. Bullock. 



68.— TAWNY-RUMPED WARBLER. 



SIZE of the last. General colour of the plumage above dark 

 greenish olive, beneath buff yellow ; about the nostrils a very slight 

 tinge of rufous ; rump, and one-third of the tail feathers tawny buff; 

 the rest of the tail dusky black, ending in dusky buff-colour; the 

 legs brown. — Inhabits Africa. —Mr. Bullock. 



69 —AQUATIC WARBLER. 



Sylvia aquatica, Ind. Orn. ii. 510. Gm. Lin. i. 953. Tern. Man. d'Om. 132. Id. 



Ed. ii. 183. 

 Sylvia Schoetiobanus, Scop. i. No. 235. 

 Aquatic Warbler, Gen. Syn.'w. 419. 



THIS is said to be pale rufous above, spotted with brown ; the 

 throat and breast inclined to rufous ; belly and rump whitish ; a spot 

 of the same above the outer corner of the eye, and a white band at 

 the base of the wing ; tail feathers pointed. 



VOL. VII. M 



