14 IBIDID^. * 



X, y, z. ^ ad. sk. Ahmedniio:gur, Dec. {S. B. Tweeddale Coll. 



Fairbunk). 

 a'. Bones of trunk. Nepal. Hodgson Coll. 



4. GEAPTOCEPHALUS *. 



Type. 

 GraptocepliaUis, Elliot, P. Z. S. 1877, p. 490 G. davisoni. 



Jtauije. The same as that of the single species of the genus. 



1. Graptocephalus davisoni. 



Gerouticus davisoni, Hume, Str. F. iii. p. 300 (1875). 

 Geronticus papillosus {nee Temm.), Oates, Sir. F. iii. p. 347 (1875). 

 Inocotis papillosus {nee Temm.), Oates, Str. F. v. p. 169 (1877). 

 Graptocephalus davisoni, J?/fo'of, P. Z. S. 1877, p. 490; Hitme Sr 



Davison, Str. F. vi. p. 485 (1878 : S. Teuasseiim) ; Hwne, Str. F. 



viii. p. 114 (1879) ; Oates, Str. F. ix. p. 300 (1880), x. p. 244 



(1882) ; id. Handh. B. Brit. Biirm. ii. p. 269 (1883 : S. Pegu, 



between Pegu and Sittang R.). 

 Geronticus harmandi, Oust. Bull. Soc. Philotn. 1877, p. 28 (Siam : 



Upper Mekong in Cambodia). 

 Ibis davisoni, Reichen. J. f. O. 1877, p. 275. 



Adult male (type of species). General colour above olive-browu 

 with a slight greenish wash ; upper tail-coverts and tail purplish 

 blue ; wings black, glossed with purple or bronze ; the inner 

 wing-coverts white, forming a large shoulder-patch ; the inner 

 secondaries brown like the back ; head bare ; neck and under 

 surface of body, from the lower throat downwards, dark brown ; 

 under wing-coverts and axillaries blackish, glossed with purplish 

 blue ; the quills bronzy green below ; under tail-coverts washed 

 with steel-green ; tail steel-blue below : " bill bluish ; naked skin 

 of head and neck blackish brown ; a pure white band encircling the 

 neck at its junction with the head, tinged with blue on the nape ; 

 feet pale coral-red; claws brown ; iris orange-red" (^. W. Oates). 

 Total length 32'5 inches, culmen 7'5, wing 16"6, tail 8"1, tarsus 3'5. 



Adult female. Similar to the male in plumage, but smaller. 

 Total length 29'5 inches, culmen 6-2, wing lo-o, tail 7"4, tarsus 3. 



Yoking. Only differs from the adult in having the feathering 

 continued to the occiput, and in having brown margins to all the 

 feathers : " bill slaty blue, tinged with plumbeous at the base ; 

 head dull black, with no warts ; ring round the neck dirty white ; 

 legs and feet dirty white ; scutse dull black ; iris pale grey-brown " 

 {A. L. Hough). 



Hab. Cochin China and Siam to Southern Pegu and the extreme 

 south of Tenasserim and Tonka. 



a. 2 juv- ; b. Ad. Lower Pegu, April {E. W. Oates Coll. 



sk. • O.). 



c, d. S ad. sk. Pakchan, Tenasserim, June Hume Coll. 



( W. Daviso7i). (Types of species.) 



* Somewhere near this genus will probably come Thaumaiibis of Elliot 

 (type Ibis gigantea, Oust. Bull. Soo. Philom, (7) i. p. 25 (1877), from Cochin 

 China. I have not seen a specimen of tliis species. 



