[ 268 I] 



Genus LXXVI. SHEATH-BILL*. 



N° i. White Sheath-bill. 



ILLftrong, thick, a little convex; the top of the upper 

 mandible covered with a corneous fheath. 

 Noftrils fmall, juft appearing beyond the fheath. 

 Tongue round above, flat beneath, and pointed at the end. 

 At the bend of the wing a blunt knob. 



Legs flout, gallinaceous, bare a little way above the knee ; 

 toes edged with a thick membrane, the middle one connected to 

 the outer as far as the firft joint; claws channelled beneath. 



i. 



Pl. LXXXix" Q I Z E of a large Pigeon : length from fifteen to eighteen 

 tv inches. Bill black at the bafe ; over the noftrils a horny ap- 



pendage, which covers them, except juft on the forepart; and de- 

 fcends fo low on each fide, as to hang over part of the under 

 mandible ; this is moveable, and may be raifed upwards, or de- 

 prefTed fo as to lay flat on the bill : round the bafe, between that 

 and the eyes, and round them, the parts are bare, and covered 

 only with warty excrefcences, of a white, or pale orange-colour ; 

 over the eye a brown or blackifh one, larger than the reft : 

 irides dull lead-colour: the plumage is all over as white as fnow: 

 at the bend of the wing is a blunt blackifh knob : the legs are 

 bare a little way above the knees, and are two inches long, ftout, 



e Genera of Birds, p. 43. 



and 



