278 ON THE CLASSIFICATION OF BIRDS. — 
Dertroides, Sw. Bill lengthened, conic, compressed : 
the basal part of the culmen swollen, elevated, an 
advancing on the front of the head ; the rest slightly 
curved. Nostrils entirely naked, basal, pierced in — 
the naked substance of the bill. Commissure sinu-— 
ated. Under mandible thinner than the upper. Wings — 
and tail round; first quill spurious, but half as 
long as the second. Feet strong. Lateral toes equal. 
D. albirostris. West. Af. i. 163. Pl. Col. 446. 
Puoceus. Weavers. Sizesmall. Bill conic, but with the 
theculmenslightly bent, and the tip entire. Underman- 
dible less thick than the upper. Claws large, very 
long. (fig. 246.a) Wings pointed; but the first quill 
remarkably short and spurious. ‘The Old World only. 
Vidua, Cuvier. (fig. 246.) Bill short. Wings length- 
ened ; the second, third, and two Folin quills 
longest, and of equal length. Tail boat-shaped : 
males with the two middle feathers excessively elon- 
gated, generally broad and convex. 
V. rufitorques. W. Af.i.174.(c) chrysnotus. W. Af. i. 174.(d) 
erythrorynchus. Ib. (0) paradisea. Ib. pl. 11. 
Euplectes, Swains. ( fig. 247.) Bill shorter than the head. 
Nostrils round, partly cons 77 : 
cealed by the frontal feathers. 
Wings short; the second quill , 
shorter than the third; ter- 
tials as long as the primaries. ae 
Tail short, even, or very _— | 
slightly rounded. Feet large, gracile. Toes very 
