228 MESSRS. BLANFORD AND DRESSER ON [Apr. 21, 



lida. Dr. Finsch, who looked on S. pallida as a distinct species, had 

 not the opportunity of examining so large a series of S. monacha as 

 we have been able to compare. 



15. Saxicola leucopyga. 



Saxicola leucura (Gm.), Licht. Verz. Doubl. p. 32 (1823), nee 

 Gm. 



Vitifiora leucopyga, C. L. Brehm, Vogelf. p. 225 (1855). 



Vitijlora leucuros, C. L. Brehm, ut supra (1855), partim. 



Lutucoa leucocapilla, Paul v. Wiirtt. ,fide C. L. Brehm, ut supra 

 (1855). 



Dromolcea leucocephala, A. E. Brehm, Journ. f. Orn. 1858, p. 62. 



Dromolcea leacopyyaia, A. E. Brehm, torn. cit. p. G6. 



Dromolcea leucopygia, Br., Tristram, Ibis, 1859, p. 297. 



Dromolcea monacha, Loche, Exp. Scient. de l'Alg. i. p. 1 99 (1867), 

 nee Riipp. 



Dromolcea nigra, Loche, torn. cit. p. 200 (1867). 



? Saxicola leucuroides, Heuglin, Orn. N.O.-Afr. p. 358. no. 308 

 (1869). 



1 Saxicola syenitica, Heuglin, torn. cit. p. 358. no. 309 (1869). 



Saxicola cursoria, Savig. Desc. de l'Eg. xxiii. p. 347, pi. 5. fig. 1 

 (nee Vieill.), /e?e Heugl. ut supra (1869). 



Adult male (Nubia). Crown, nape, rump, upper and under tail- 

 coverts, anal region, and all the rectrices except the two central ones, 

 white ; rest of the body above and below, including the feathers 

 above the eye, glossy jet-black ; terminal half of the central tail- 

 feathers and two thirds of their shafts black, remainder white. 

 There are occasionally a few black spots on the tips of the outer 

 rectrices. Culmen 0*82, wing 4*1, tail 2'9, tarsus 1*1. 



Female. Similar to the male. 



Young birds have the crown of the head black. 



Hab. Northern Africa and Palestine. 



Obs. The "Traqnet coureur ouTraquet acallotte et queue blanches" 

 of Levaillant (pi. 190), CEnanthe cursoria, Vieill. (N. Diet. xxi. 

 p. 431), might possibly be this species ; but Levaillant, in his plate, 

 figures it with the rump and upper tail-coverts jet-black, which debars 

 us from adopting the name*. 



16. Saxicola leucura. 



White-tailed Thrush, Lath. Syn. hi. p. 49, " Gibraltar " ( 1 783). 



Turdus leucurus, Gm. Syst. Nat. i. p. 820 (1 788, ex Lath.). 



(Eninthe leucura, Vieill. Nouv. Diet. xxi. p. 422, "Spain, Southern 

 France" (1818). 



Saxicola cachinnans, Temm. Man. d'Orn. i. p. 236, "Southern 

 Europe" (1820). 



Dromolcea leucura, Cab. Mus. Heinearium, i. p. 9 (1850). 



Vitifiora leucuros, C. L. Brehm, Vogelf. p. 225, " N.E. Africa and 

 S. Europe" (1855), partim. 



* Compare Sundevall, " Om Levaillant' s Ois. d'Afr.," Kong. Sv. Vet. Akad. 

 Handl. ii. no. 3, p. 45. 



