192 Messrs. Ogilvie-Grant and La Touche on 
105. Potromyiss LuTEoLA (Pall.). 
Erythrosterna leucura Swinh. (nee Gmel,) Ibis, 1866, 
p. ols. 
Swinhoe states that he obtained a specimen from Central 
Formosa, but we have not been able to trace what became 
OF it: 
106. *MuscicaPULa HYPERYTHRA (Blyth). 
Siphia innexa Swinh. Ibis, 1866, p. 394. 
Digenia superciliaris Swinh. P. Z.S. 1871, p. 381. 
a. 6. Ho Ho Mt., 5000 ft., Feb. 1906. 
Formosan examples of this small Flycatcher are apparently 
indistinguishable from typical Indian specimens of M. hyp- 
erythra (Blyth). The species appears to inhabit the interior 
of the island. 
107. *XANTHOPYGIA AFFINIS Grant. 
Ruticilla fuliginosa Swinh. (nec Vig.) Ibis, 1863, p. 298. 
Rhyacornis fuliginosa LaTouche, op. cit. 1898, p. 362. 
Xanthopygia affinis Grant, B.O. C. xvi. p. 118 (1906). 
a,b. & 2. Racu Racu torrent, 6000 ft., Jan. 1906. 
(Types of the species.) 
c-i. 6 2. Racu Racu torrent, 3000 to 7000 ft., Jan., 
Feb. 1906. 
Adult male. Closely resembles the male of X. fuliginosa 
(Vigors), but the lores are less black, beimg scarcely darker 
than the crown, and the tips of the tail-feathers are usually 
dusky. Inis dark brown; bill black; feet brownish. Total 
length ca. 5°5 inches ; wing 3:2; tail 2°3; tarsus 0°95. 
Adult female. Differs from the female of X. fuliginosa 
in having the under parts much greyer, with the white 
squamate markings much less pronounced and confined to 
the middle of the belly; the tail-feathers with much less 
white at the base; the white ou the outer pair not extending 
to the terminal half. Total length ca. 5°5 inches; wing 3:0; 
tail 2°2; tarsus 0°95. 
A male and two females of the Formosan Plumbeous 
Redstart were collected by Swinhoe and identified as 
