CORVID&. — CORVINA. 263 
Nucifraga. Brisson. Nutcracker. \ Bill perfectly 
straight, and conic ; the base dilated, and dividing the 
frontal feathers. 
guttata. Vieil. Selby, pl. 33 *. hemispila. Gould, C. pl.36. 
Barira, Cuv. Shrike-Crows. Bill very straight, com- 
pressed, lengthened ; the culmen not curved ; the tip 
only bent down, with a distinct notch or tooth in the 
upper mandible. Frontal base of the bill thick, broad, 
and dividing the frontal feathers. Nostrils naked, 
linear, pierced in the solid substance of the bill. 
Outer toe connected to the middle nearly as far as 
the first joint. Feet strong, robust, formed for © 
walking. Lateral toes almost equal. 
Tibicen. Freye. Voy. pl.20. graculina. White, Voy. pl.36. 
Vanga, Buffon. Tip of the upper mandible forming 
an abrupt hook, and armed with a prominent tooth. 
Rictus strongly bristled. Wings pointed; the two 
first quills graduated; the primaries considerably 
longer than the secondaries and tertials. Tarsi rather 
short. Middle and hinder toe of equal length ; 
inner toe much shorter than the outer, which is con- 
nected to the middle toe. Claws much curved, very 
acute. Tail even. 
V. destructor. Tem. Pl. Col. 273. 
Platylophus, Sw. Bill intermediate in form between 
Vanga and Garrulus. Culmen slightly curved: gonys 
s 4 
