304 TUEDID^. 



and wing-coverts brown, and more or less brown on the edges of the 

 feathers of the breast and flanks. Females of the year have the up]jer 

 tail-coverts brown, and dark edges to the feathers of the breast. 

 Young in Jirst plumage appear to be unknown ; hxit a. young male in 

 Sejitiinher, which has probably not completed its first moult, has 

 brown lores, cheeks, and ear-coverts like the female, showing pale 

 centres to the feathers. 



The Siberian Blue Eobin breeds in Eastern Siberia, from Lake 

 Baical to the mouth of the Amoor. It winters in North India, China, 

 South-east Mongolia, and in Tenasserim, ranging through the 

 Malayan peninsula to Borneo. 



11. Erithacus gutturalis. 



Cossypha giittm-alis, O'uerm, Rev. Zool. 1843, p. 162; Guer. et 

 Lafrem. Ferr. et Gal. Voy. en Abyss, iii. p. 201, pi. v. (1847); 

 Fi'nsch, Tr. Z. S. vii. p. 243 (1870) ; Sharpc ^ Dresser, B. Eur. 

 pt. xiv. (1872) ; Dresser, Ibis, 1876, p. 78. 

 Bessonornis gutturalis (Guer.), Gray, Gen. B. i. p. 220 (1847) ; Bp. 

 Consp. i. p. 301 (1850) ; Gray, Hand-l. B. i. p. 265. no. 3874 

 (1869). 

 Irania filoti, Filippi, Arch. Zool. Modena, ii. p. 381 (1863). 

 Saxicola albigularis, Pe/a. Sitz. Ah. Wiss. Wien, xlviii. p. 150 



(1863). 

 Irania hnoti, Filippi, Viagy. Pers. p. 347 (1865). 

 Bessornis albigularis (Pe'lz.), Tristram, Ibis, 1867, p. 89, pi. i. 

 • Bessornis gutturalis (Guer.), Heugl. Orn. N.O.-Afr. i. p. 378 

 (1869). 

 Irania albigula, Severtz. Turkest. Jevotn. pp. 65, 122 (1873). 

 Cossypha (Irania) gutturalis (Guer.), Blanf. Fast. Pers. ii. p. 161 

 (1876). 

 Adult male in hreecling-plumage. General colour of the upper parts 

 slate-grey ; lores and ear-coverts black ; ej'e-stripe white ; quills 

 brown, margined with slate-grey on the outside webs ; wing-coverts 

 slate-grey ; innermost secondaries brown on inside web, and slate- 

 grey on outside web; tail black ; cheeks black. Chin and upper 

 throat white, occasionally bounded by a gorget of black across the 

 lower throat ; remainder of underparts, including the axillaries and 

 under wing-coverts, chestnut, shading into white on the centre of 

 belly and under tail-coverts ; inner margin of quills brown. Bill 

 black. Wing with the third and fourth primaries nearly equal and 

 longest, second primary intermediate in length between the fifth 

 and sixth, bastard primary 0-9 to 0-7 inch ; outside tail-feathers 

 0-2 inch shorter than the longest. Logs, feet, and claws black. 

 Length of wing 3-75 to 3*0 inches, tail 3-0 to 2-G.5, culmen 0-75 to 

 0-65, tarsus 1-02. 



In the female the general colour of the upper parts, including the 

 lores and ear-coverts, is brownish grey, shading into slate-grey on 



