356 titrmdj:. 



shaft-liues to most of tlie feathers. Afttr the autunni mtmU the 

 feathers of the back, axillarics, aud under wing-coverts of the male 

 have white tips, and the innermost secondaries have white margins. 

 No important change takes phice in the plumage of the female. 

 Males of the rjear have all the white parts entirely sufl'used with 

 buff, and the crown and back coloured as in the female. YouMg in 

 first plumage have pale buff centres and dark brown margins to the 

 feathers of the crown, back, and breast ; otherwise they resemble the 

 female in autumn plumage. 



The Black-throated Chat- Robin has been found in the Transvaal, 

 the Orange Free State, Natal, aud the North-east of Cape Colony. 

 It is not known to bo migratory. 



a. (S ad. St. South Africa. Baron Lauafier. 



h,c. (S 2 <id. sk. Windvogelberg {Bulger). P. L. Sclater, Esq. [P.]. 



(Types of 'S'. spectabilis, Hartl.) 

 d, e. S\ f- 9. ad. sk. Kingwilliarastown, Herbert Trevelyau, Esq. 



July 23, 1877. [P.]. 



g,h. S; i. J ad. sk. Heights above Grahams- R. B. Sharpe, Esq. 



town (7". C. Atmore). 

 ^-n.c?; o,/>.$ ad.sk. Elands Post {T. C. At- R. B. Sharpe, Esq. 



more). 

 q. cJ ad. sk. Witwater Rand. F. A. Barratt, Esq. [C.]. 



r. cJad.sk. Drakensberg Mountains, T. 0. Buckley, Esq. [P.J. 



Dec. 20, 1873. 



2. Myrmecocichla formicivora. 



LpTraquet fourmilier,ierff;7/. Ois.d'Afr. iv. p. 108, pis. 186, 187 (1805). 

 ffinanthe formicivora, Vieill. N. Diet. d'Hisf. Nat. xxi. p. 421 (1818, 



ex Levaill.). 

 Saxicola formicivora {Vieill), Gray, Gen. B. i. p. 179 (1846) ; C%«/)- 



man, Trav. 8. Afr. ii. p. 399 (1868) ; Gray, Hand-l. B. i. p. 227. 



no. 3263 (1869). 

 Sylvia formicivora (VieUl.),fide Bp. Consp.i. p. 302 (1850). 

 Myrmecocichla formicivora ( Vieill.), Bp. Consp. i. p. 302 (1850) ; 



Cah. Mus. Hein. i. p. 8 (1850) ; Hartl. Orn. W.-Afr.^. 65 (1857); 



Laiiard,B. S. 4/>. p- HO (1867); Sharpe, Cat. Afr. B. p. 26 



(1871); Gurnet/, Anderss. B. Dam. Ld. p. 110(1872); Sharpe, 



ed. Layard's B. S. Afr. p. 231 (1876). 

 Mvrmecocichla sethiop'?, Cah. Mus. Hein. i. p. 8 (1850); Bjk Consp. 



\. p. 302 (1850) ; Hartl. Orn. W.-Afr. p. 65 (1857). 

 Petrocincla formicivora ( Vieill.), Lichi. Nomencl. Ao. p. 26 (1854). 

 Petroeiucla sethiops {Cab.),Lic/if. loc.cit. (1854). 

 Saxicola asthiops {Cab.), Gray, Hand-l. B. i. p. 227. no. 3264 (1869). 

 Turdus aithiops, Licht.jfide Heugl. Orn. N.-O. Afr. i. p. 365 (1869j. 

 Thamnolaja athiops (Licht.), Heugl. op. cit. p. 365 (1869). 

 Thamnolsea formicivora {Vieill.), Heugl. op. cit. p. 366 (18C9). 



Adult male in hreeding-plumage. General colour of the whole 

 plumage sooty bro\vn, the feathers on the forehead, crown, throat, 

 and breist having pale margins ; lesser wing-coverts white ; shafts 

 of the primai-ios, and the basal half of the inner webs of the second 

 to the fifth, and the whole of the inner web of the sixth to the tenth, 

 except the tips, white. Bill, legs, feet, and claws black. Wing 

 with the third, fourth, and fifth primaries nearly equal and longest, 

 second primary intermediate in length between the sixth and seventh, 



