the Birds of the Island of Formosa. 171 
48. +Crsticota votiTans (Swinh.). 
Calamanthella volitans Swinh. J. As. Soc., Shanghai, 
no. il. p. 226 (1859). 
Cisticola volitans Swinh. Ibis, 1863, p. 304; Oates, Faun. 
Brit. Ind. i. p. 273 (1889). 
Cisticola exilis (Vig. & Horsf.) ; La Touche, Ibis, 1898, 
p. 361. 
This Grass-Warbler is resident in North Formosa. 
49. {Crsticota crsticoLa (Temm.). 
Cisticola schenicola Bouap. ; Swinh. Ibis, 1863, p. 303. 
Cisticola cursitans Frank). ; laa Touche, op. cit. 1898, p. 261. 
The Rufous Grass-Warbler is resident in North Formosa 
and probably throughout the island. 
The eggs mentioned by Swinhoe as those of this species 
are evidently the eggs of a Zosterops. 
50. +PHytLoscopus BorEALIS (Blas.). 
Phyllopneuste silvicultrix Swinh. Ibis, 1863, p. 307. 
Phyllopneuste borealis Swinh. P. Z.S. 1871, p. 856. 
Phylloscopus borealis La Touche, Ibis, 1898, p. 363. 
The Arctic Willow-Warbler was observed and shot by 
Swinhoe at Tainan (Taiwanfoo), South-west Formosa, in 
October. La Touche met with a flock at Tamsui in January. 
51. Puyiioscorus coronatus (Temm.). 
Phyllopneuste coronata Swinh. Ibis, 1863, p. 307. 
According to Swinhoe, a few examples of the Crowned 
Willow-Warbler visit Formosa in winter, but we have not 
seen a specimen from this locality. 
52. +PHyYLLoscorus supERcItiosus (Gmel.). 
Reguloides superciliosus Swinh. Ibis, 1863, p. 307. 
The Yellow-browed Warbler is not uncommon in winter 
according to Swinhoe. La Touche believes that he heard 
its note in winter and spring at Tamsui. 
53. THorornis Ropustipgys (Swinh.). 
Horeites robustipes Swinh. Ibis, 1866, p. 398 ; id. P.Z.S. 
S71, p. dol. 
The types of this species of Bush-Warbler were procured 
by Swinhoe from the interior of 8. Formosa, but in his notes 
