32. GENNJ2U3. 21*7 



Key to the Species. 



I. General colour above is not olive-brown or 

 rcddi.sh brown. (Males.) 

 a. Scajmlars not dark crimson witli bronze-red 

 reflfftions. 



A. Tail black without anywbite markings. 



a. J 5rea.st- feathers dirty white and lan- 



ceolate. 

 a'. Feathers of the lower back and 

 rump margined with white. 

 a" . Crest white, sometimes mixed 



with du.sk)' brown (ilbocristatiiti, p. 298. 



h". Crest black leucomelanus, p. 300. 



h'. Feathers of tlie lower back and rimip 



not margined with white inuthura, p. SOL 



b. Breast-feathers black, only moderately 



pointed ; feathers of the lower back 

 and rump widely margined with 

 white korsfieldi, p. 302. 



B. Tail black vermiculated with white, inner 



margins of the middle pair of featliers 

 without white ; feathers of the lower 

 back, rump, and upper tail-coverts mar- 

 gined with white. 



c. White vermiculations on the mantle, 



scapulars, and wing-coverts wide-set, 



irregular, and very fine cuoieri, p. 303. 



d. White vermiculations on the mantle, 



scapulars, and wing -coverts much 

 coarser aud more regular, an outer 

 submarginal white line pai-allel to the 

 edge of each feather davisoni, p. 304. 



C. Tail black vermiculated with white, inner 



margins of the middle pair of feathers 

 white ; featliers of the lower back, rump, 

 and u])pertail-ci)Vert.s fringed with white; 

 mantle, sca])ulars, and wing-coverts black, 

 with tine close white vermiculations . . oatesi, p. .306. 



D. Tail black, with irregular oblique white 



lines nearly or quite as wide as the black 

 interspaces ; inner web aud last third of 

 middle pair of tail-feathers white. 



e. Mantle black, finely vermiculated with 



irregular transverse white lines liiteatus, p. ,304. 



/. Mantle black, each feather with five or 

 six regular white lines parallel to the 

 edge and nearly as wide as the black 

 intei-spaces andersoni, p. 306. 



E. Tail white, the outer pairs of feathers 



with iri-egular oblique black lines ; plu- 

 mage of the upper parts white, each 

 feather with five or si.x nan-ow regular 



black lines parallel to the edge nycthemerus, p. 307. 



/3- Scapulars dark crimson, with bronze-red re- 



tlections ; crest and upper back pure white, swinhoii, p. 309. 



