WARBLER. 



143 



seems to be very minute, as one weighed by Mr. Anderson* equalled 

 only 120 grains; bill and legs yellowish. 

 From Van Diem en's Land. 



182.— EQUINOCTIAL WARBLER. 



Sylvia sequinoctialis, Ind. Orn. ii. 553. 



Equinoctial Warbler, Gen. Syn. Sup. 187. Share's Zool. x. 678. 



LENGTH five inches and a half. Bill dusky; plumage above 

 testaceous brown, paler on the rump ; beneath white; quills and tail 

 brown, the latter rounded, and crossed with obsolete bars. 



Inhabits Christmas Isle ; sings somewhat like the Babbling 

 Warbler; has a kind of twittering note, and not unpleasing. From 

 the papers of the late Mr. Anderson. 



183— INDIGO WARBLER. 



Sylvia Cyane, Ind. Orn. ii. 541. 



Motacilla Cyane, Gm. Lin. i. 992. Pall, reise, iii. 697. 



Indigo Warbler, Gen. Syn. Sup. ii. 243. Shaw's Zool. x. 655. 



SIZE of the Kamtschatkan Thrush. General colour of the 

 plumage on the upper parts deep blue, beneath white; from the 

 bill to the wings on each side a streak of black; tail blue, outer 

 feathers white. 



Inhabits the extreme boundaries of Dauuria, between the Rivers 

 Onon and Argun, in the spring, but is a scarce bird. 



184— RUSTY-HEADED WARBLER. 



Sylvia borealis, Ind. Orn. ii. 522. 



Motacilla borealis, Gm. Lin. i. 986. 



Rusty-headed Warbler, Gen. Syn. iv. 448. Shaw's Zool. x. 690. 



LENGTH five inches. Bill pale; forehead, throat, and sides 

 of the head, ferruginous ; the two first palest ; plumage on the upper 



* Papers at Sir Joseph Banks'-- 



