PICIDA. — BUCCOIN. $11 
Tripsurus, Sw. Bill as in Leuconerpes; but the 
_ nostrils are thickly covered with incumbent bristles, as 
in the typical genus Picus. Feet very large ; but the 
versatile and the anterior toes are of the same length. 
The tarsus considerably shorter than either.* 
T. flavifrons. Spix, pl. 52. 
| Susram. BUCCOINZ. JBarbuts. 
Bill surrounded with long bristles. . Tail short, soft. 
AstHENuRUS, Sw. Bill short, compressed, very straight. 
Rictus smooth. Wings with the three first quills 
graduated. Tail moderate. Versatile and anterior 
toes nearly equal. ‘Tropical America. 
A. exilis, P. Col. 371. f.2. — cirratus. P. Col. 371. f. 1. 
Picumnus, Tem. Habit of Asthenurus ; but the rictus 
is bristled ; the tail very short, and not projecting be- 
yond the wings. Tropical Asia. 
| P. abnormis. Pl. Col. 371. f. 3. 
Bucco, Linn. Billstraight, strong; the base very broad, 
dilated, and surrounded with long and very rigid 
_ bristles. Tarsus shorter than the versatile toe. The 
Old World. | 
B. philippensis. Pl. Enl.331. chrysoptera. Part 5. No. 125. 
Micropogon, Tem. General structure of Bucco ; but the 
gape smooth. The three first quills only graduated. 
South America only. f 
M. Cayennensis. Pl. Enl. 206. f. 1. 
Pocontas, Ill. General structure of Bucco; but the 
margin of the upper mandible distinctly toothed. 
Africa only. 3 
P. sulcirostris. Z. Mis, pl.76. (leevirostris is the young bird. ) 
Yuwnx, Linn. Bill short, slender, very straight ; base 
widened. First quill nearly as long as the second. 
* This type is united to that of Dendrocopus by means of D. varia, —a 
bird which has the bill of Dendrocopus, and the feet of Tripsurus, and which 
thus closes the circle of the Pictane. ‘The tenuirostral type of Melaner- 
pes I have not seen; but I have little doubt of its being the Picus mero- 
pirostris of Wagler, sp. 65. F 
x 4 
