DAVID'S NORTHERN BLOOD PARTRIDGE 



Ithagenes sinensis sinensis David 



Type.— « Chensi," P^re David, Ann. Sc. Nat., (5), XVIII. 1873, p. i. 



Geographical Distribution.— Highlands of the Yellow River region. Southerly slopes of the eastern 

 Nanshan Mountains in Kansu (near the temple of Tschortentan on the Tetung-gol River). Northerly slopes 

 of the Tsuiling Mountains in Shensi ; the Laoling Mountains and from here eastward along the same slopes as 

 far as Honan (David, Styan). 



SUBSPECIFIC Characters. — Male : Wing-coverts golden-yellow (not cinnamon or chestnut) tinged more 

 or less with greenish. The shaft-stripes of the mantle and back clear white ; traces of green appear on those 

 of the posterior rump, this colour becoming still more distinct on the upper tail-coverts. General size medium, 

 the wing measuring 205-213 mm. 



Female : Sides of the neck grey (not cinnamon). The hind neck and feathers of the occipital crest uniform 

 grey ; ventral surface chocolate (not chestnut or cinnamon) brown. All the colours of the plumage are darker and 

 more intense. Slight traces of crimson on the margins of the tail feathers. Size medium, wing measurement 

 190-199 mm. 



Ithagenes sinensis sinensis David 



" Un Itkaginis" David, Proc. Zool. Soc, 1873, p. 555. 



Ithaginis sinensis David, Ann. Sc. Nat, (5), XVIII. 1873, art. 5, P- i ; David, Ann. Sc. Nat., (5), XIX. 1874, 

 art. 9, p. I ; David, Jour., III. Roy. Explor. Emp. Chinois, I. 1875, p. 174; David & Oustalet, Gis. Chine, 1877, P- 

 402, pi. 114; Styan, Ibis, (7), V. 1899, pp. 292, 298. 



Ithaginis geoffroyi (nee Verr.) Przewalski, Mongolia i Strana Tangut, II. 1876, Aves., p. 122; Przewalski, 

 in Rowley's Orn. Miscell., II. 1877, p. 471 ; Przewalski, Trrtje puteschestv., V. 1883, Central Asia, p. 114 ; Deditius, 

 Jour, fiir Orn., 1886, pp. 538, 540. 



Ithagenes sinensis Ogilvie-Grant, Cat. Birds Brit. Mus., XXII. 1893, p. 270 {partim); Ogilvie-Grant, Hand- 

 book of Game Birds, I. 1895, p. 219 {partim); Dresser, Man. Palae. Birds, II. 1903, p. 675 {partim) ; Baker, Ibis, 

 1915, P. 126 {partim)) Baker, Jour. Bomb. Nat. His. Soc, XXIV. 1916, p. 401 (J^artim) 



Ithaginis sinensis sinensis Bianchi, Annuaire du Mus. Zoo. I'Acad. Imp. Sc. St. Petersb., t. VIII. 1903, 

 pp. i-io; Bianchi, trans, of above, Jour, fiir Orn., LII. 1904, p. 73. 



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