414 iiusciCAi-roiE. 



v. Smaller ; wiug 3 inches ; black 

 spot ou throat much larger, 



0'7 inch nigrimentiim, p. 418. 



h^. White ending to outer tail-fea- 

 thers 1'2 inch in length triviryatua, p. 418. 



h'\ Upper tail-coverts grey, like the 



back (joiildi, p. 419. 



b*. Forehead black, but separated from 

 the grey crown by a narrow line of 



orange-rufous diadematus, p. 419. 



d'". Upper wing-corerts black, contrasting 

 with the grey back. 

 c\ White spot on tail-feathers very 

 small ; upper sm-face blacldsh, the 

 head scarcely darker than the back . bimaculatus, p. 420. 

 dK White spot ou tail-feathers larger ; 

 upper surface grey, with a conspi- 

 cuous black frontal band and ear- 

 coverts melanopterus, p. 420. 



d". Chest white or greyish white, like the 

 breast and rest of the under surface, 

 e'". Tail entu-ely black. 

 e*. All the wing-coverts black hke the 



back; ear-coverts and crown black., dichrovs, p. 421. 

 /*. Median and inner greater wing-covert.s 

 white, forming a conspicuous patch ; 

 a band across the crown, ear-coverts, 



and sides of neck white verticalis, p. 422. 



/'". Tail black, the outer feathers tipped 

 with white. 

 g"^. Throat black ; breast white ; ear- 

 coverts black, 

 c'. Throat black, extending to the fore 

 neck ; wing-coverts with distinct 

 triangular spots of white at the 



tip gtdtulatus, p. 422. 



d'\ Throat black, but not extending to 

 the jugidum; no white spots on 



wing-coverts morotensis, p. 423. 



A*. Ear-coverts white. 



e^. Throat white leucoHs, p. 423. 



f^. Cliin black, as also lower throat, 

 with a white bar across the middle 



of latter pikatus, p. 424. 



g'". Tail black, the outer feathers white for 

 their entire length. 

 i*. Larger ; wing 3-55 : cheeks and sides 



of neck white loricatus, p. 425. 



yt*. Smaller ; wing 3-05 : cheeks and sides 



of neck black leucunis, p. 425. 



h'". Tail pure white, excepting a black 

 edging near the base and near the end 



of the centre feathers infelix, p. 426. 



d'. Under tail-coverts black, like the rest of the 



imder surface ; axillaries pme white axillaris, p. 426. 



e'. Under tail-coverts pale lemon-yellow, like 



