97 



CACCABIS CHUKAK. 



(CHUKOR PARTRIDGE.) 



Perdix grceca, Briss. Orn. i. p. 241 (1760, partim). 



Tetrao rufa, Pall. Zoogr. Eosso-As. ii. p. 79 (1811, nee Linn.). 



Perdix chukar, G. R. Gray, in Cuv. Animal Kingd. Griff, ed. iii. p. 54 (1829). 



Chacura pugnax, Hodgs. Madr. Journal, 1837, p. 505. 



Pyctes (Chacura) chukor, Hodgs. in Gray's Zool. Misc. p. 85 (1844). 



Chacura grceca, var., Riipp. Syst. Uebers. p. 106. no. 376 (1845). 



Perdix grceca, Eversm. Journ. fur Orn. 1853, p. 292. 



Caccabis rupicola, Licht. Nomencl. Avium, p. 85 (1854). 



Chacura chukar (Gray), Heugl. Syst. Uebers. p. 50 (1856). 



Perdix altaica, Bp. Compt. Rend. xlii. p. 10 (1856, descr. nulla). 



Perdix synaica, Bp. torn. cit. p. 10 (1856, descr. nulla). 



Perdix sinaica, Bp. J. f. Orn. 1858, p. 31. 



Perdix chukart, Bp. ut supra. 



Caccabis saxatilis, Tristr. Ibis, 1859, p. 35 (nee Meyer). 



Caccabis chukar, G. E. Gray, List of Gallinse Brit. Mus. p. 36 (1859). 



Chacura sinaitica, Heugl. Journ. fur Orn. 1861, p. 312. 



Caccabis chukor (Gray), Jerd. B. of India, iii. p. 564 (1863). 



Caccabis chukar, var. pubescens, Svvinh. Ibis, 1865, p. 353. 



Caccabis synoica (Bp.), G. E. Gray, Hand-1. of B. ii. p. 274 (1870). 



Caccabis pallescens, Hume, Lahore to Yarkand, p. 283 (1873). 



Caccabis arenarius, Hume, op. cit. p. 283 (1873). 



Caccabis pallidus, Hume, op. cit. p. 284 (1873). 



Ad. Cacc. saxatili similis, sed corpore supra pallidiore et rufescentiore, fronte et pilei lateribus eaerulescenti- 

 cinereis nee albidis, auricularibus rufescente terminatis, gula ochrascenti-cervina nee alba, plumis ad 

 basin rostri ante oculos albis nee nigris, scapularibus cserulescenti-canis conspicue ferrugineo mar- 

 ginatis. 



Adult Male (Phandos, Rhodes, 11th December). Resembles Caccabis saxatilis, but has the upper parts 

 lighter, more rufous, and less grey in tinge ; the sides and front of the crown are not nearly white, as 

 in C. saxatilis, but blue-grey ; the auriculars are broadly terminated with rufous, the chin and throat 

 are yellowish buff, and the space in front of the eye, at the base of the bill, is whitish buff, not 

 black as in C. saxatilis, this last being the best characteristic, and always constant ; the scapulars, 

 especially the upper ones, are dove-blue, broadly margined with rufous, almost fox-red. Total length 

 about 12 inches, culmen TO, wing 6 - 4, tail 3 - 8, tarsus 1"85. 



Female. Similar to the male. 



Obs. The present species is subject to great individual variation. After having examined a considerable 



3a2 



