7. CETTIA. 143 



and flanks ; axillaries buffish white ; uuder wing-coverts buffish 

 white, clouded with brown ; inner margin of quills pale brown. 

 Bill dark brown, paler at the base of the under mandible. Wing 

 with the third, fourth, and tilth primaries nearly' equal aud longest ; 

 second primary about equal to the eighth : bastard primary 0*6 

 inch long, slightly less than half the length of the second primary. 

 Tail shorter than the wing, the outside feathers 0-24 inch shorter 

 than the longest. Legs, feet, and claws pale horn-colour. Length 

 of wing 2-1 to 2-0 inches, tail 1-05, culmen (1-53, tarsus 0-7. 



Nothing is known of any differences which may be produced in 

 the colour of the plumage bj- age, sex, or season. 



Swinhoe's liush-Warbler breeds in some unknown district of 

 North-eastern Asia, aud winters in South China, Formosa, and the 

 Tenasserim provinces. 



The British Museum does not possess an example of this species. 

 The above description is taken from a skin in my collection dated 

 Formosa, March 1866. The type, from Canton (without a tail), is 

 missing. 



9. Cettia ussurianus. 



Horornis squamiceps (Su:i7ih.) apud Tacz. Journ, Orn. 1875, p. 245; 

 apud Tacz. Bull. Soc. Zool. France, 187(3, p. 137; apud Tacz. 

 Journ. Orn. 1876, p. 194. 



This species differs from the preceding in having the general 

 colour of the upper parts olive-brown instead of chocolate-brown, 

 darkest on the head. Bill dark brown, paler at the base of the 

 under mandible. Wing with the third, fourth, and fiftli primaries 

 nearly eqiial and longest ; second primary about equal to the eighth ; 

 bastard primary 0-5 inch. Tail shorter than the wing, the out- 

 side feathers 0- 14 inch shorter than the longest. Legs, feet, and claws 

 pale horu-colour. Length of wing 2-0-1 inches, tail I'l, culmen 0-5, 

 tarsus 0-7. 



Nothing is known of any difference which may be jjroduced in 

 the colour of the plumage by age, sex, or season. 



Taczanowsky's Bush- Warbler breeds in Eastern Siberia in the 

 valley of the Ussuri. Its winter quarters are unknown. 



The British Museum does not possess a skin of this species. The 

 type, in my collection, is dated May 25, 187-4, and is sexed as a 

 male by Ur. Dybowsky. 



10. Cettia briuineifrons. 



Horeites brunnifrons, ILxIt/s. M.S. IJrauiiu/a { in the Brit. Mas.) of B. 



of Nepal, Pusseres, pi. (i2a. fig. 1, no. 8.St>, nnde ILidf/s. Grains 



Zool. Misc. p. 82. no. 8:56 (1844, descr. iiiill.); Bhjt'h, J. A' S. 



Beng. xiv. p. 585 (1845); Graif, Cat. Mamm. 4t. Xepu'l Coll. Hodqs. 



pp. 65, 151 (,1846); Horsf.'Sf Moore, Cat. B. Mus. E.I. Co. 



p. 32.3 (18.54) ; Jerd. B. Ltd. ii. p. 163 (1863) ; Swin/we, P. Z. S. 



1871, p. 351 ; BrooJcs, J. A. S. Bemj. xli. pt. ii. p. 78 (1872); David 



et Omt. Ow. Chine, p. 263 (1877). 

 Horeites poUicaris, Hodys. MS. Draioings {in the Brit. Mus.) of 



B. of Nepal, Passeres, pi. 62. no. 848, unde Hodys. Gray, Zool. 



