270 THASIANIDiE. 



Ibis, 1874, p. 169; Dai'id ^- Oustal. Ois. Chine, p. 401, pi. 1]3 

 (1877) [W. Sze-chueu, E. Thibet] ; Seebohm, Ibis, 1891, p. 381 

 [W. Sze-chuen]. 



Adult male. Differs from the male of /. cruentus in having the 

 long feathers on the top of the head and nape grey, with white 

 shafts ; the patch of green on the wing-coverts larger ; the chin, 

 throat, and chest grey ; and the tail-feathers uniform whitish grey. 

 Total length 17 inches, wing 7"7, tail 6, tarsus 2-6. 



Adult female. Differs from the female of /. cruentus in having 

 the front and sides of the head and chin and the throat brownish ; 

 the general tone of the upper parts rather greyer ; the underparts 

 similar to the upper, and finely vermiculated with blackish brown 

 all over ; the tail much more closely mottled with buff and 

 indistinctly margined with crimson. Total length 16 inches, wing 

 7"1, tail 5-1, tarsus 2-5. 



Hab. Higher regions of Eastern Thibet and Western Sze-chuen. 



a,h.S2 ^d. Mountains of Moupin, Purchased of M. Verreaux. 



sk. Western Sze-chuen, China. (Types of the species.) 



3. Ithagenes sinensis. 



Ithaginis sinensis, David, Ann. Sci. Nat. (5) xviii. art. 5, p. 1 (1873) 

 [Shen-si], & xix. art. 9, p. 1 (1874) ; id. Journ. jE.rpl. Chin. i. p. 174 

 (1875) ; David 8f Omtal. Ois. Chine, p. 402, pi. 114 (1877) [Shen- 

 si and Ho-nanl ; Pleske, Bull. Acad. St. Petersb. xiii. p. 297 

 (1892) [North Nau-shan]. 

 Ithaginis geoffioyi, Prjev. (nee Verr.) Mongolia, ii. p. 122 (1876) ; 

 id. in Roivl. Orn. Misc. ii. p. 421 (1877) [Kansu Mts.]. 

 Adult male. Differs from the male of /. geoffroyi in having the 

 sides of the crest brownish black ; the patch of colour on the wing- 

 coverts rust-brown, some of the feathers being sometimes narrowly 

 margined with crimson ; the chin, throat, and fore paii of neck 

 blackish grey, shading into brownish grey on the chest, each feather 

 with a narrow whitish shaft-stripe, those on the chin being washed 

 with crimson. Total length 17'6 inches, wing 8, tail 7, tarsus 2-5. 

 Immature and young males generally resemble those of 7. rri<eM<t<5, 

 but the brown patch on the wing-coverts is distinctly marked though 

 mixed with black. 



Adult female. Differs from the female of /. geoffroyi in having 

 the upper parts browner, more like those of the female of /. cruentus, 

 but paler ; the chin and throat whitish grey ; and the underparts 

 pale brownish buff', scarcely vermiculated on the chest and breast. 

 Total length 16-2 inches, wing 7-5, tail 5-9, tarsus 2-4. 



Eab. North of the Nan-shan and Kan-su Mountains ; Sinling 

 Mountains between Shen-si and Ho-nan. 



a b. S imm., $ Shen-si, N. China, Dec. Tweeddale Coll. 



'ad.sk. [O.Finsch). 



c-e. S 2 ad. et Kan-su, Aug., Nov., Dec. M. Berezowsky [C.]. 



S iuv. sk. 



/. cJad. sk. Kan-su, Feb. (P;:;ey«Mj/). St. Petersburg Mus.[E.]. 



g. 5 ad. sk. Nan-shan Mts. (Grum- St. Petersburg Mus.[E.]. 

 Grzimailo). 



