THE TRUE PHEASANTS. 27 
the male hybrids surpassing in size and beauty the males of 
either species. 
The zes¢ and eggs are like those of P. colchicus. 
X. THE SA-TSCHEN RING-NECKED PHEASANT. PHASIANUS 
SATSCHEUNENSIS. 
Phasianus satscheunensts, Prjevalsky, Reisen in Tibet, p. 59 
(1884); Ogilvie-Grant, Cat. B. Brit. Mus, xxii. p. 333 
(1893). 
Adult Male—This is a very pale form of P. forguatus, from 
which it may be distinguished by having the general colour of 
the upper-parts much paler, the scapulars and secondary quills 
being margined with sandy-rown instead of Indian-red ; the 
margins to the feathers of the chest and under-parts are wider 
and purplish-green. 
Adult Female.— Very much paler than the female of P. éor- 
guaius, the general colour of the upper-parts being pale buff 
with the black markings much diminished in size; the chin 
and throat pure white; and the under-parts whitish-buff with 
faint indications of brown cross-bars on the sides and flanks. 
Range,—Sa-tschen, north of the Nan-Shan Mountains. 
XI. THE FORMOSAN RING-NECKED PHEASANT. PHASIANUS 
FORMOSANUS. 
Phastanus formosanus, Elliot, P. Z. S. 1870, p. 406; id. 
Monogr. Phasian. ii. pl. vi. (1872); Ogilvie-Grant, Cat. B. 
Brit. Mus. xxil. p. 333 (1893). 
Adult Male-—Distinguished from P. ¢orguatus in having the 
ground-colour of the mantle and flanks pale primrose; the 
chest but slightly glossed with pink, and the margins of the 
feathers more widely edged all round with purplish-green. 
Adult Female.—Appears to differ from the female of P. 
torquatus in having the barring on the feathers of the chest 
