neiv Species of Zosterops. 371 



and lower tail-coverts orange-yellow; breast and abdo- 

 men pale ashy. — Hub. Ins. Anjuan. 



Z. Madagascar lens'is (Gmel.). Like Z. anjuanensis, but Avith- 

 out the orange forehead ; lores only blackish^ and throat 

 and under tail-coverts a much paler yellow. — Hab. Ma- 

 dagascar. 



Z. hcesitata, Hartl. Back dark green^ rump and upper tail- 

 coverts lighter ; head blackish ; chin lightish grey ; 

 throat and breast ashen grey ; abdomen whitish ; under 

 tail-coverts pale yellow ; bill decurved. — Hab. Ins. 

 Bourbon. 



R. curvirostris , Swains. Head and upper back slaty grey ; 

 lower back green; chin, throat, and breast ashen; flanks 

 lighter ; abdomen whitish ; under tail-coverts yellow ; 

 bill decurved. — Hab. Mauritius. 



Grey-backed Species. 



Z. moc?e5/«,E. Newton. Larger; uniform olive-brown above ; 

 chin and lower tail-coverts whitish ; rest of lower parts 

 light olive-brown. — Hab. Seychelles. 



Z. borbonica (Gmel.). Smaller; olive-brown above; upper 

 tail-coverts white ; no ring of white feathers round the 

 eye ; lower parts ashy grey, lighter on the chin and 

 under tail-coverts; flanks chestnut. — Hab, Ins. Bourbon. 



Z. mauritiana (Gmel.) . Upper parts delicate bluish grey ; 

 rump and upper tail-coverts white ; no ring round the 

 eye ; lower parts white, tinged with grey on the breast ; 

 flanks rusty brown. — Hab. Mauritius. 



Z. hovarum, Tristr. Like Z. mauritiana, but without the 

 white rump, and with a conspicuous white ring round 

 the eyes. — Hab. Madagascar. 



Z. pratermissa, Tristr. Upper parts whitish ashen, with a 

 narrow faint yellowish forehead and white ring round 

 the eyes ; the whole lower parts ashy white, with a yel- 

 lowish tinge on the throat. — Hab. Ins. Anjuan. 



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