156 LLOYD'S NATURAL HISTORY. 
of the Black-eared Partridge. Mr. C. W. Richmond writes 
that he saw a flock of rather over a dozen in the forests on the 
Escondido. When approached, the birds flew into the sur- 
rounding trees and afterwards off into the woods two or three 
at atime. ‘Two were secured. 
IV. THE CHESTNUT-EARED PARTRIDGE. ODONTOPHORUS 
ERYTHROPS. 
Odontophorus erythrops, Gould, P. Z. S. 1859, p. 99; Ogiivie- 
Grant, Cat. B. Brit. Mus. xxii. p. 435 (7893). 
Adult Male—Like O. meanotis, but distinguished by its darker 
plumage; the top of the head dark brown, contrasting with 
the rufous-chestnut eyebrow-stripes; stripe from the gape to 
the ear-coverts chestnut; chest and under-parts darker chest- 
nut. Size the same. 
Adult Female-—Probably almost similar in plumage to the 
male, but no examples in which the sex is indicated have been 
examined. 
Range-— Western South America; Ecuador. 
V. TIIE CHESTNUT-THROATED PARTRIDGE. ODONTOPHORUS 
HYPERYTHRUS. 
Odontophorus hyperythrus, Gould, P. Z. S. 1857, p. 223; 
Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 436 (1893). 
Odontophorus hypospodius, Sclater and Salvin, Nomencl. Av. 
Neotrop. p. 163 (1873). 
Adult Male—General colour above olive-brown, slightly 
washed with rufous, and finely mottled with black ; evebvow- 
stripes, chin, throat, and under-parts deep rust-red, paler towards 
the middle ; thighs and undertail-coverts reddish-brown mottled 
with black. “Total length, 11 inches; wing, 59; tail 2-4. 
tarsus, 2; middle toe and claw, 2°15. 
Adult Female.— Differs from the male in having the breast and 
rest of the under-parts dark grey, shading into blackish-grey on 
the flanks. Measurements somewhat smaller. 
