PERSPICILLA. . 105 



us of the typical Ampelidce or chatterers, among 

 which we have the only insessorial birds possessing 

 white quill-feathers; we see its long legs, yellow 

 bill, and fleshy orbits again repeated among the 

 plovers (Charadriadce\ and similar naked append- 

 ages to the eyes occur among the caterpillar-catchers 

 (Cellepyrmo3\ and certain todies. Now each and 

 all of these are grallatorial types in their own circles, 

 so that four at least of the leading types of the 

 Fluvicolince may be considered determined ; and we 

 have only to wait for better information respect- 

 ing that between Alectura and Fluvicolinoe, to pro- 

 nounce this family so far to be complete. 



SPECTACLE, OR WHITE- WINGED WATER-CHAT. 



Perspicilla leucoptera, SWAINS. 

 PLATE IX. 



Male, entirely black, excepting the primaries, which are 

 white, tipt and edged with brown ; round the eye a naked 

 prominent fleshy ring. Female, brown, paler and striped 

 beneath ; the primaries edged with rufous ; bill yellowish- 

 white. 



Motocilla perspicillata, Linn. Auct. 



THE habits of this very singular bird can only be 

 guessed at from its construction: for although it 

 seems a species well known to the older ornitholo- 

 gists, we are still in ignorance of its natural history, 



