12 MUSCICAPID^E. 



Key to the Species. 



a. Base of tail white. 



a. White on taitffetending nearly to tips of 



feathers C. cyaneus, p. 13. 



b'. White on tail confined to base. 

 a". Upper plumage blue. 

 a'". Breast orange-chestnut. 



4 . No white frontal band C. hodgsoni <5, p. 14. 



b*. A white frontal band C. hyper ythrus d", p. 15. 



b'". Breast white, pale buff, or fulvous- 

 grey, [p. 16. 



e 4 . No white supercilium C. leucomelanurus <3 , 



d*. A white supercilium C. superciliaris J , p. 17. 



b". Upper plumage black C. melanoleucus <J , p. 18. 



b. No white on tail. 



c'. Upper plumage blue. 



c''. Crown and rump cobalt-blue, back 



dull blue, 

 c'". Axillaries and under wing-coverts 



white C. sapphira $ , p. 20. 



d'". Axillaries and under wing-coverts 



chestnut C. oatesi d , p. 20. 



d". Crown, rump, and back of the same 



blue. 



e'". Whole lower plumage white .... C. astigma d , p. 19. 

 f". Chin, throat, and breast dark blue ; 



abdomen white C. pallidipes $ , p. 22. 



ff'". Whole lower plumage pale blue . . C. unicolor <$, p. 22. 

 h'". Breast ferruginous or chestnut. 



e 4 . Chin and throat blue C. rubeculoides $ , p. 23. 



f 4 . Throat ferruginous like breast. 

 a 5 . First primary about half length 



of second ; wing under 3 . . C. tickelli, p. 25. 

 b 5 . First primary much shorter 



than half second; wing over 3. C. magnirostris <J , p. 26. 

 d'. Upper plumage brown or rufescent. 

 e". Breast chestnut or ferruginous. 

 f". First primary about half length of 



second ; sides of head grey .... C. pallidipes $ , p. 22. 

 k'". First primary much shorter than 

 half second ; sides of head fulvous 

 or rufous. 

 # 4 . Wing considerably under 3 .... C. rubecidoides $ , p. 23. 



A 4 . Wing over 3 C. magnirostris $ , p. 26. 



f 1 '. No chestnut on breast. 



I'". Wing considerably over 3. 



i l . First primary much shorter than 

 half second ; yellowish - buff 



patch on throat C. oatesi 5 , p. 20. 



A; 1 . First primary about equal to half 



second ; no patch on throat . . C. unicolor $ , p. 22. 

 m'". Wing considerably under 3. 

 I*. Second primary equal to ninth ; 



wing 2-3 ; tail 1-6 C. hyperythrus $ , p. 15. 



m 4 . Second primary shorter than the [p. 16. 



secondaries; wing 2 -4; tail 2,, CJeucQmelanurus $, 



