242 LANHD.!^. 



0. Lanius homey eri. 



Lanius liomeveri, Cah. J. f. Oni. 1^73, p. 7o ; Sculli/, Sir. F. 1876, 



p. 186 ; Bor/claiiotv, liiomidn iS/irikes Sj-c. p. 142. 

 Lanius leiicopterus X excubitor, Seelohm, Ibis, 1882, p. 421. 



Adult, male. In general coloration very similar to L. excubitor, but 

 differing from the latter species in the following points : — The white 

 of the secondary quills extends, both on the inner and on the outer 

 web, over more than the basal half, the blackish-brown colour being 

 thus reduced to the terminal two fifths of the quills ; upper tail- 

 coverts and the basal third or fourth of all the tail-feathers pure 

 white ; the two outer pairs and the basal fourth of the rest of the 

 tail-feathers generally pure white, the others largely tipped with 

 this colour ; bill and jfcet horny blue-black, the former with lighter 

 margins. Total length 9-5 inches, culmen 0-85, wing 4-6, tail 4-65, 

 tarsus I'lo. 



Hah. Extends from Western Siberia to the Volga and eastwards 

 throughout Turkestan, where it meets and interbreeds with L. leu- 

 cojoterus. 



a, b. Ad. sk. Lepsa river, Siberia, July 1841. Purchased. 



c. cJ ad. sk. Belo Kamene, Irtisch, April 28, Dr. Brehm [C], 



1876. 



d. Ad. sk. ? England {F. Bond). Gould Collection. 



7. Lanius leucopterus. 



Lanius leucopterus, 8evertz. Turk. Jevotn. p. 67 (1873) ; Seebohm, 



7to, 1882, p. 421. 

 Lanius przewalskii, Bogdanow, Russian Shrikes Sj-c. p. 147 (1881). 



In general coloration resembling L. excubitor, but slightly paler. 

 Forehead and a broad superciliary stripe white ; lower rump, upper 

 tail-coverts, and basal third of tail-feathers pure white ; the three 

 outer pairs of tail-feathers almost completely pure white ; the wings 

 are white at the base of the primaries and secondaries for two 

 thirds of their length, so that the two alar bars become confiuent ; 

 on the inner web of the secondaries the white is still more developed 

 than on the outer web ; on some of the feathers the inner web is pure 

 white, which is never the case in L. homeytri ; all the underparts 

 are pure white, without any trace of vermiculatious. 



Culmen. Wing. Tail. Tarsus, 



in. in. in. in. 



rj 0-95 4-7 4-5 1-2 



J 0-85 4-85 4-65 1-15 



Hah. Turkestan and Southern Central Siberia. 



8. Lanius sphenocercus. 



Lanius major, Swinh. P. Z. S. 1871, p. 375. 



Lanius sphenocercus. Cab. J. f. 0. 1873, p. 76 ; Tacz. Bull. Soc. Zool. 



France, 1876, p. 165; S'chaloiv, J. f. 0. Is76, p. 215; David Sr 



Oust. Ois. Chine, p. 92, pi. 76 (1877). 



Adult male. Yery similar to L. homey, ri in colour, but differing 



