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 ( Charadriadw) , and similar naked append- 
ages to- the eyes occur among the caterpillar-catchers 
( Ceblepyrinoe ), 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 Fluvicolince, to pro- 
nounce this family so far to be complete. 
SPECTACLE, OR WHITE-WINGED WATER-CHAT. 
Persjncilla leucoptera , Swains. 
PLATE IX. 
Male, entirely black, excepting tlie 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 rufuus ; 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, 
