222 
ON THE CLASSIFICATION OP BIRDS. 
Nostrils partially naked, with a few weak incum- 
bent bristles at the base. Rictus strongly bristled. 
Wings moderate ; the three first quills graduated, the 
three next of equal length. Tail rounded. Tarsus 
lengthened ; equal with the middle toe, and longer 
than the hind one. Inner toe scarcely shorter than 
the outer. Africa. Allied also to Brachypus. 
M. edolioi'des. West. Af. i. pi. 29. 
OcYPTERus, Cuvier. {ftg.204!.b,e) Bill gradually arched 
from the base, where it is very broad. Culmen thick 
and convex, without any ridge ; the base dividing 
the frontal feathers, and somewhat dilated. Rictus 
bristled. Nostrils wide apart, naked, small, without 
a membrane, and pierced in the bill. Feet short, 
strong. ATings very long and pointed ; the first quill 
longest. Tail short. India and Australia. 
O. leucorynchus. PI. Eiil. 9. f. 1. 
Analcipus, Sw. 203.) Bill with the general structure 
of Ooypterus, but more conic. 
Rictus smooth. Wings length- 
ened, nearly as long as the tail ; 
the first quill spurious ; the 
second much shorter than the 
third, fourth, or fifth, which 
are equal and longest. Tail 
short, even. Feet short, weak. Hinder toe shorter 
than the tarsus. India and South Africa. 
A. sangiiinoleiitus. PI. Col. bicolor. O. d’Af. pi. 73. 
hirundinacciis. Parts. No. 11. 
