THE LONG-NAILED PARTRIDGES, 149 
III. THE OCELLATED HARLEQUIN QUAIL. CYRTONYX 
OCELLAIUS. 
Oriyx ocellatus, Gould, P. Z. S: 1836, p. 75. 
Cyrtonyx ocellatus, Gould, Monogr. Odontoph. pt. il. pl. 8 
(1846) ; Ogilvie-Grant, Cat. B. Brit. Mus. xxi. p. 428 
(1893). 
Cyrtonyx sumichrasti, Lawrence, Ann. N. Y. Sci. i. p. 51 
(1877). 
Adult Male.— Differs from the male of C. salei, already de- 
scribed, in having the black markings on the upper-parts in the 
form of round black spots ; the middle of the chest and breast 
pale buff, tipped with rufous ; and the flanks chestnut, zregu- 
larly barred with black, shading into grey towards the margins. 
oul length, 83 inches ; wing, 5°3, tail, 2°25 tarsus, 1°25 ; 
middle toe and claw, 1°5. 
Adult Female.—Like the female of C. montezuma@, but the 
general colour above is d/ack, finely barred with rufous and 
mottled with sandy. Total length, 8 inches; wing, 5; tail 
2°25 tarsus, ‘1°25; middle toe and claw, 1°45. 
Range.—Central America ; Tehuantepec to Guatemala. 
THE LONG-NAILED PARTRIDGES. GENUS 
DACTY LORTYX. 
Dactylortyx, Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 429 
(1893). 
Type, D. thoracicus (Gambel). 
Plumage of sexes diferent. A short crest. 
First primary flight-feather egwal ¢o the eighth ; fourth 
longest. 
Tail composed of ¢we/ve feathers, and fwoyi/ths of the 
length of the wing. 
Tarsus shorter than the middle toe and claw. 
Claws very Jong and but slightly curved. 
