252 
ON THE CLASSIFICATION OP BIRDS. 
SuBFAM. AMPELIN^. The Typical Chatterers. 
Middle-sized. Feet short, robust. Bill weak; the 
gonyx not ascending. Nostrils large, membranaceous ; 
the aperture terminal. Rictus smooth. Soles of the feet 
broad, flat. Lateral toes unequal ; outer connected to 
the middle. Lateral scales of the tarsus numerous, small, 
reticulate. Wings moderate, ample; the first quill 
shorter than tlie second. 
Calyptomina, RaflSles. {fig. 221. a, h) Bill nearly hid 
by an erect compressed crest, lying over the base ; the 
tip hooked. Wings large, very broad ; the first quill 
shortest, the third longest ; the lesser quills emar- 
ginate at their tips. Tail very short. Feet short. 
Hinder toe as long as the tarsus ; outer and middle 
toe connected as far as the second joint. 
C. Rafflesia. Sw.Pi. Col. 216. caudacuta. Part 5. No. 50. 
Chbysoptf.ryx, Sw. (jiff. 221.a) Size large. Bill 
lengthened, strong, thrush-hke, the sides inflected. 
Culmen elevated and arched. Gonys not short, in- 
clining upwards. Nostril defended by short weak 
bristles. Wings and feet as in Casmorhynchus. 
Tail longer, broad, and even at the ends. 
C. erytlirorhynchus. Sw. N. Zool. p. 492. 
Casmorhynchus, Tern. (fig. 222. a) Size large. Face 
and throat frequently bare of feathers, covered with 
