2. TETRAX. 287 



Zool. France, i. p. 245 (187f)) ; Boqcl. Consp. Av. Imp. lioss. p. 61 

 (\8ii4) ; ^eeb.Ibis, 1884, p. 178 (Nagasaki), p. 2(37 (Central China) ; 

 Tacz. P. Z. S. 1888, p. 4')6 (Corea) ; Seebohm, B. Japan. Emp. 

 p. 35.5 (1890) ; Styan, Ibis, 1890, pp. 329, 502 (Lower Yangtze) ; 

 Menzbier, Orn. Turkest. pi. Ixiv. (1891) ; Campbell, Ibis, 1892, 

 p. 247 (Corea). 



Adult male. Similar to 0. tarda, but with the head and hind 

 neck more clearer ashy grey, as also the sides of the neck ; lower 

 throat and fore neck light bluish grey, the latter with a few rufous 

 feathers barred with black. 



The species is chiefly distinguished by having the inner marginal 

 coverts like the back, the median row being light grey or white like 

 the rest of the wing-coverts. Total length about 34 inches, culmeu 

 2-2, wing 24, tail 9, tarsus 5-7. 



Adult female. Scarcely to be distinguished from the female of 

 0. tarda, but darker grey on the head and neck ; the median wing- 

 coverts, however, appear to have full}' as much sandy colour as in 

 0. tarda. Total length about 1^0 inches, culmen 2, wing 18, tail 6-5, 

 tarsus 4'9. 



Ilab. Eastern Siberia from Dauria to Mantchuria, Corea, and 

 Japan, south to the Yangtze basin. 



a. c? imm. sk. South Manchuria. E. M. James, Esq. [P.]. 



b. 2 iul. sk. Soul, Corea, Jan. 1:1, C. W. Campbell. Esq. fp.]. 



c. 2 iit-l- '^k. Shanghai, March 10. Shanghai Museum [P.J. 



2. TETRAX. 



Trpe. 

 Tetrax, Leach, Si/st. Cat. Manim, etc. Brit. Mus. p. 28 



(IblO) T. tetrax. 



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

 1. Tetrax tetrax. 



The French Field Duck, Albin, Xut. Hist. B. iii. p. 38, pi. 41 



(1740). 

 The Little Bustard, Edwards, Gleanim/s, i. p. 89, pi. 251 (1758, 2) ; 



Lath. Gen. Si//i. ii. pt. 2, p. 799 (1783J ; Yarred, Brd. B. ii. p. 371 



(1843). 

 La petite Outarde appell(5e vulgairement Canne-petiere, Briss. Orn. v. 



p. 24, pi. 2. figs. 1, 2 (1760) ; Eaubenf. PL Enl. ii. pis. 10, 25. 

 Otis tetrax, Linn. Si/st. JS'at. i. p. 264 (1766); Gm. Si/st. Xat. i. 



p. 723 (1788); BrcLst. Orn. Ta.scJicn/>. p. 246 (1802); Titdl. X. 



JJict. d'Hist. Nat. xxiv. p. 291 (1818) ; Tetnm. Man. d'Orn. ii. 



p. 507 (1820); Boux, Orn. Proven(^. pi. 265 (1825); Pall. 'Aomjr. 



liosso-Asiat. ii. p. 100 (1826) ; Werner, Atlas, Coureiirs, pi. 3 



(1827) ; Bn-hm, To;/. Ih'utscld. p. 533 (1831) ; Mfnetr. Cat. raiss. 



Cauc. p. 48 (18:12); yamn. Vm/. Eeutsc/d. v'li. Ta{. 169 (1>34); 



Itiipp. Mits. Senckrnb. ii. p. 2:32 ('l8:57) ; Guuld, B. Ear. iv. pi. -JUd 



(1837) ; Crespon, Orn. Card, p. 344 (1840)'; Ketis. .V Bias. Wirb. Eur. 



p. Ixvii (1840) ; Nordm. in Dhuid. Voy. Buss, mi-rid. iii. p. 225 



(1840); Seli/s-Lom/ch. Faune Beh/e, p. 119 (1842); .Sc/i/. Rev. 



Crit. p. Ixxix (1844) ; Mnlde, Beit): Orn. Griechenl. p. 89 (1844) ; 



Gray, List Grallee Brit. Mas. p. 65 (_1844) ; id. Gen. B. iii. p. 532 



