270 WELIPHACTlBiE. 



Head of rhilej/ion inornatus. 



Bill longer than rest of head, curved ; culmen with prominent 

 ridge, frequently with a hump on its base. No bristles. Kostrils 

 either operculated and more longitudinal, or oval and non-opercu- 

 lated, always with a coriaceous large groove behind, never beset 

 with feathers. First primary very long. Tip of wing formed by third 

 to fifth primaries. Secondaries four fifths to five sixths of the length 

 of the wing. Tail square, or very slightly rounded. Tarsus covered 

 with scales in front. Claws and toes short. ^Yhole bird very dull 

 brown in colour : inner edge of quills fulvous ; parts of head 

 frequently bare. Length of wing about 4-5-6 inches. 



Bange. Australian and Austro-Malayan Hegions. 



Key to the Species. 



a. Base of culmen with a large hump ; feathers of 

 fore neck and chest lanceolate in shape ; nostrils 

 oval or round, open. 

 a'. ^Miole crown, sides of head, and neck all 



round bare; feathers of chest very lanceolate cornicidatus, p. 271. 

 v. Centre of crown covered with feathers. 



a". Sides of neck covered with feathers. I novce gtiinece, p. 274. 



a'". Crown brown Ijohiensis, p. 275^ 



( timoriensis, p. 273. 



V". Crown silkv brownish white argeniiceps, p. 272. 



b". Sides of neck bare huceroides, p. 272. 



h. Culmen not humped. 

 c'. Nostrils oval, open. 



c". Feathers of fore neck and chest lanceolate ; 

 frequently also those of the crown. 

 c'". Lanceolate feathers short ; remiges with- 

 out pale edges. 

 a". Sides of head covered with feathers. . inornatus, p. 275. 

 U. Sides of head bare ; plumage uniform 



brown mohtccensis, p. 275. 



d'". Lanceolate feathers very long and pecu- 

 liar; wings and tail externally edged 



with bluish white lessoni, p. 276. 



d". Feathers of fore neck and chest short and 

 rounded, 

 e'". Wings not washed with olive-yellow. 



c*. Feathers of chest with pecuUar small \ citreoffularis, p. 277. 



white tips I sordidus, p. 277. 



d*. Feathers of chest of usual shape. 

 a\ Upper parts dark brown, underparts 

 pale brownish grey, not striated ; 

 length of wing Go'inches cockereUi, p. 278. 



