120 MUSCICAPID^. 



leiigrtli of the tarsus; bill 

 swollen towards the tip, be- 

 fore which the ciilmen is 



indented 68. Niltava, p. 462. 



M*. Bill broader; when measured 



across the base of the forehead 



equal to the hiud toe without 



the claw 69. Cassinia, p. 466. 



1. HEMICIIELIDON. ^^^^ 



Hemichelidon, Hodgson, P. Z. S. 1845, p. 32 H. sibirica. 



Bill of HemicheUdon ferruginea. 



Range. Eastern Siberia; tbroughoiit China and Burmese countries; 

 India. 



Key to tlie Species. 



a. Tail uniform ; upper surface of body dusky or ashy 



brown, the upper tail-coverts like the back ; quills 



edged with lighter brown sibirtca, p. 120. 



b. Tail particoloured, the feathers rufous-bro'^sTi at the 



tips and on the outer webs : rump and upper 

 tail-coverts rufous ; under sm-face of body orange- 

 rufous ferruginea, p. 122. 



1. Hemichelidon sibirica. 



Dun Flycatcher, Penn. Arctic Zool. ii. p. 390. 



Muscicapa sibirica, Gm. S. N. i. p. 936 (ex Pennant) ; Schrenck, 



Peis. Aviurl. Vog. p. 379 ; Radde, Peis. Sihir. ii. p. 271. 

 Muscicapa fuscedula, Pall. Zoogr. Posso-Asiat. i. p. 462. 

 Hemichelidon fuliginosa, Hodgs. P. Z. S. 1845, p. 32 (types exa- 

 mined) ; Gray, Cat. Mamm. i^-c. Xepal Coll. Ilodqs. p. 91 ; id. Gen. 



B. i. p. 262 ; 'Ulyth, J. A. S. B. xvi. p. 119 ; id. Cat. B. 3Im. A. S. B. 



p. 175; Bp. Con.sp. i. p. 321 ; Horsf. ^ 3Ioore, Cat. B. Mvs. E.I. 



Co. i. p. 137 ; Je)-do7i, B. Ind. i. p. 458; Hume ^- Henders. Lahore 



to Yark. p. 184, pi. 4. 

 Butalis sibiiica, Swinh. P. Z. S. 1863, p. 288, 1870, p. 440, 1871, 



p. 379 ; Bhjih &: Wald. B. Burm. p. 134 ; Taczati. Bidl. Soc. Zool. 



France, i. p. 168 ; Daiid 6f- Omfalct, Ois. Chine, p. 122. 

 Hemichelidon sibiricus, Gray, Hand-l. B. i. p. 324, no. 4862 ; Hume, 



Nests SfPggs Ind. B. p. 106; id. Str. F. 1875, pp. 104, 321; 



Brooks, t. c. p. 275 ; Armstr. Str. F. 1876, p. 323; Hume 4' Davi~ 



son, Str. F. 1878, p. 226. 



