17 



d. c? ad- sk. 



e. 5 jiiv. sk. 

 /. $ juv. sk. 

 ff. Ad. sk. 



/i. Imm. sk. 



('. Ad. .sk. 



k. Skeleton. 



/. Skull. 



m. Sternum. 



ii. Sclerotic bone. 



Upsala, Feb. 12th, 1872. 

 Upsala, Dec. 30th, 1«72. 

 Upsala, Oct. 27th, 1872. 

 Archangel. 

 Archangel. 

 Xanthus, A.sia Minor, 

 liussia. 

 Ilauhe Alp. 



Purchased. 



Purchased. 



Purchased. 



R. B. Sharpe, Esq. [P.]. 



R. B. Sharpe, PIsq. [P.J. 



Sir C. Fellowes [P.]. 



Purchased. 



Dr. GUuther [C.]. 



W. Varrell, Esq. [C.]. 



W. Yan-ell. Esq. [C.]. 



Subsj). a. Bubo turcomanus. 



Strix turcoiuana, Eversin. Add. Pall. Zougr. p. 3. 



Strix sibirica, tSchl. i^- Siisein. Vo;/. Eur. Taf. 44. 



Bubo sibiricus, Grai), Cat. Acci'pitr. Ii. 31. 1844, p. 99; id. Gen._ B. 



i. p. 37 ; Bp. Consp. i. p. 49 ; Licht. Nommcl. Av. p. 7 ; Sfrickl. 



Orn. Syn. p. 213. 

 Bubo cinereus, Gray ^- Mitch. Gen. B. i. pi. 13. 

 Bubo scandiacus, Cah. J. f. O. 1854, p. 367. 

 Bubo pallidus, Brehm, Xauin. 1855, p. 270. 



Bubo hemachalaua, mime, Sir. F. i. p. 315 ; Blanf. Ibis, 1874, p. 81. 

 Bubo maximus, var. turcomanus, Severfz. Turhest. Jevofn. p. 111. 

 Bubo ignavus, Dresser, This, 1875, p. 111. 



Adult. General colour above pale tawny buff, many of the feathers 

 inclining to wliiti.sh ; head whitish, the feathers j-ellowish at base, 

 all rather broadly centred with black, from which dark centres 

 radiate irregular lines and spots of black ; nape and hind neck light 

 yellowish buff, many feathers whitish, all with broad black central 

 streaks, the lateral lines or rermiculations very indistinct, in fact 

 almost entirely absent ; back blackish brown, yellowish buff at base, 

 and shading off distinctly white in the centre of the feathers, all the 

 lighter parts of the dorsal feathers narrowly waved and minutely 

 barred or spotted with blackish ; outer scapulai-s white on external 

 webs, with only two or three narrow zigzag bars of blackish ; wing- 

 coverts tawny buff, obscured by browni.sh mottlings thickly distri- 

 buted over all the least series and the innermo.st of the median and 

 greater series, the outermost of the median row uniform brownish 

 black towards the tips, which more or less incline to white, most of 

 the greater series having a large white spot at the tip of the outer 

 web, which has very few and narrow cross lines of black ; primary 

 coverts blackish brown, irregularly mottled with yellowish buff on 

 the outer webs ; quills for the most part clear tawny buff, almcst 

 orange in intensity, the, primaries dusky brown at tips, all the quills 

 distinctly barred with darker brown, not quite conterminous, the 

 yellow interspaces with nothing more than a few minute dots of 

 brown; the secondaries more dusky than the primaries, the light in- 

 terspaces being clouded with coarse brown vcrmiculations, especially 

 towards the tip, the innermost secondaries very much clouded with 

 brown mottlings, and distinctly barred across with blackish brown ; 

 lower back, rump, and upper tail-coverts tawny buff, with a few in- 

 distinct wavv lines of blackish brown, rather more distinct and 



