58 



well as the nape ; no 

 elongated nape-plumes ; 



breast-plumes decom- [p. 124, 



posed, not lanceolate . . 11. Leucophoyx, 

 e\ Bill long-er than tarsus ; nape 

 crested, and continued into the 

 neck-frill; crest-feathers of nape 

 very broad, as also the orna- 

 mental feathers of the fore- 

 neck ; dorsal train extending 

 beyond the tail for some [p. 126, 



distance 12. Hydranassa, 



b' . Bare portion of tibio-tarsus less than the 



length of the inner toe, the feathering 



sometimes extending nearly to the heel. 



c". Bill enormously long, the culmen equal 



to the length of the tarsus and middle 



toe and claw combined 14. Agamia, p. 135. 



d". Bill only moderately long, never equal 

 to the middle toe and claw combined 

 with the tarsus, 

 c'. Bill without serrations in either man- 

 dible ; the upper mandible with a 

 distinct notch just before the end. 

 c*. Culmen longer than tarsus, the [p. 136, 



latter longer than the middle toe . 15. Demiegbetta, 

 f^. Culmen and tarsus about equal. 

 f^. Bill slender, higher than broad. 

 c". Tarsus about equal to middle 

 toe and claw ; two or three 



ornamental nape-plumes, ... 16. NYCTiCORAX,p.l45. 

 d^. Tar.-^us longer than middle 

 toe and claw ; a long crest of 

 nuchal plumes ; dorsal 



plum.es greatly developed .. 13. NYCTANASSA,p. 1.30. 

 g'^. Bill flattened, broader than high. 17. Cancroma, p. 163. 

 g*. Culmen shorter than tarsus. 



N". Tarsus reticulated in front .... 18. Gorsachius, p. 166. 



i". Tarsus plated in front 19. Syrigma, p. 170. 



d^. Bill with distinct serrations near 

 the end of the mandibles, some- 

 times only the upper one serrated ; 

 the sub-terminal notch in the bill 

 obsolete. 

 h. Bill moderately long, exceeding 

 the length of the middle toe and 

 claw. 

 k^- Throat entirely feathered. 



e^. Tarsus reticulated in front 

 with hexagonal scales. 

 c'. Foot strong, the tarsus 

 longer than the culmen ; 

 ornamental nape-plumes 

 very h)ng. 4 in number, 

 white, and depending over 



the centre of the back . . 20. Pilerodius, p. 171. 

 d^. Foot weak, the culmen 

 longer than the tarsus ; 



