BIRDS. 
ORDER 
GALLINACE^. 
TETRxlO. GROUS. 
Generic Character. 
Rostrum breve, crassiuscu- 
lum, supra foniicatum, con- 
vexum, versus apicem in- i 
curvum. 
Nares basales, squama for- j 
nicali supeme semiclausse, | 
plumulis obtectae. j 
Supercilia nuda, verrucosa, | 
coccinca. 
Pedes tetradactyli, mutici, di- 
gitis tribus anticis, uno 
postico : tarsi hirsuti. | 
AI(e breves, rotundatae. j 
Tetrao. Auctorum. 
Beak short and thick, arched 
above, and convex; bent 
down towards the tip. 
Nostrils basal, half closed 
with an arched scale above, 
and clothed with small 
feathers. 
Eyehro-ics naked, wai’ty, and 
of a scarlet colour. 
Feet four-toed, smooth, with 
three toes before and one 
il behind : tarsi feathered. 
I 
!! Wings short, rounded. 
TL HE Grous form a peculiar genus, whose dis- 
tinguishing characters consist in having a naked 
V. XI. P. II. 18 
