18. CENTRoprs. 333 



A*. Win(>;3 paler, with uo trace of black 

 on the under wing-coverts. 

 (j\ Bill slightly longer, and not quite 

 so black. 

 (f. Mantle brig'hter rul'ous, the blue- 

 black of the hind neck con- 

 trasting sharply with it hengalensis, p. 352. 



M'. Mantle duller, the dull greenish 

 brown of the head and back of 

 neck passing imperceptibly into 



the colour of the mantle javanicus, p. 354. 



h'\ Bill shorter and uniform black . . niyrorufas, p. 357. 

 d'. Head, neck, and underparts not entirel}' 

 black. 

 u". Tail black. 



e". Abdomen not black. 

 «'. Throat black. 



P. Abdomen chestnut. Size smaller . epomidis, p. 357. 

 k^. Abdomen whitish. Size larger . . leucoyastcr, p. 358. 

 /c'. Throat pale like the breast. 



P. Underparts isabelline or rufous 

 but!. 

 t°. Larger : wing about 8 inches . . an-selli, p. 35U. 

 k''. Smaller : wing about 7 inches. . Jisclwri, p. 359. 

 m'. Underparts white or nearh* so. 

 l''. Larger : upper half of the head 

 and back of neck blue, bluer 



than the tail monachus, p. 359. 



w''. Smaller; upper half of head and 

 back of neck not bluer than the 

 tail. 

 a'. Lower back, upper tail-coverts, 

 and tail uuiform greenish 

 black (in adults) ; no buff 

 shaft-stripes on the mantle; 

 no white ends to the tail- 

 feathers seneycdensU, p. 300, 



b'. Lower back, upper tail-coverts, 

 and basal third of tail nar- 

 rowly barred with buff; with 

 white shaft-stripes on tlie 

 mantle, and with white ends 

 to the tail-feathers. 

 fi'. Crown blacker and greener 

 eyebrow, when present, 

 never entire ; white shaft- 

 stiipes on mantle less nu- 

 merous and not edged with 

 black ; black streaks and 

 bars on the underparts 



almost absent naialeiisi.s, p. 302. 



i\ L^pper half of the head 

 brown, with an entire 



broad white eyebrow .... superciliosu<, p. 303, 

 /"'. Ab.lom-Mi bla;k melanops, p. 3i>5. 



