12 rAiun.T:. 



fore neck and chest rich sulpbur-yellow : throat pure white. In all 

 other points of coloration and in the form of the tail this species 

 resembles P. ci/cums, Avhilst P. p/cs^v'/ is nearer allied to P. ccendeus. 



Culmen. Wing. Tail. Tarsus, 



in. in. in. in. 



c? 0-38 2-65 2'55 068 



2 0-40 2-6o 2-30 0-70 



a. c? ad. sk. Ferghana, Turkestan, Dr. Severtzo-n- [C.]. 



2Gth October. 



8. Parus pleskii. 

 Parus pleskii, Cab. J.f. O. 1877, p. 213, pi. 3. fig. 1 ; 1878, p. 109. 



Adult male. Nearest allied to P. n/nnvs and P. cc^ride^is, but differ- 

 ing from the former in the four following points :— Greater part of 

 crown strongly washed with pale blue; throat and chin blackish, 

 the single feathers slightly tipped with white ; part of fore neck and 

 upper part of breast washed with lemon-yellow ; the white on the 

 tail confined to the outer web of the outermost pair, and very narrow 

 edgings and tips to the next pair; "bill horny colour; legs grey ; 

 iris dark brown '' {Plesle). Total length 4-5 inches, culmen 0-4, 

 wing 2'6, tail 2'25, tarsus 0"65. 



The female has the chest only very slightly tinged with yellow. 



Hab. Western Siberia and Northern Eussia. 



a. 2 ad. sk. Moscow, 12th Oct. Purchased. 



9. Parus caeruleus. 



Blue Titmouse, Penn. Arctic Zool. p. 427 (1785). 



Parus cajruleus, Limi. S. N. i. p. 341 (17 HO) ; Lath. Gen. Syn. ii. 



p. 543; Beseke, Vog. Kurlands, no. 193; Retzius, Faun. Suec. 



p. 269 ; Koch, Si/stem. haier. Zool. p. 205 ; Temm. Man. d'Oni. 



p. 290; Hovx, Om. Prov. p. 190; Less. Trade d'Orn. p. 456; 



Pall. Zoogr. Poss.-As. i. p. 554 ; Kamn. Vog. Deiitschl. iv. pi. 95 ; 



Ndsson, Skandin. Faun. i. p. 341 (1835), i.'p. 408 C1858); Schinz, 



Europ. Faun. p. 217; Goidd, B. Eur. ii. pi. 154; Moquin-Tandon, 



Orn. Canar. p. 18 ; Yarrell, Brd. B. i. p. 330 ; Selys-Lonqch. Orn. 



Beige, p. 104 ; Bhjth, Cat. B. M. A. S. B. p. 104 ; Bj). C A. p. 229 ; 



Naceyro, Cat. Av. Galizia, Mem. B. Acad. Madrid, p. 106 (1850) ; 



Kjarhijllinq, Danmarks Fu(/le, pi. sxviii. ; Ilorsf. 4" Moore, Cat. 



B- M. E.i. Comp. p. 372; \Schlegel, Vog. Kederl pi. 126; Sunder. 



Svetisk. Fogl. pi. xvi. Hg. 1 ; Wright, Finl. Foglar, i. p. 181 ; 



Fritsch, Vog. Eur. pi. 17. fig. 20 ; JD'Orbigny, Ois. d'Eur. pi. 



xxviii. ; Gould, B. Gr. Brit. toI. ii. pi. 24; Kculemans, Onze Vogels, 



pi. 14; Holland. Wirhelth. Pommerns,^. 60; Salvad. Fcmn. Bal. 



ii. p. 66 ; Danford i^- Brown, Ibis, 1875, p. 303; Dresser, B. Ear. 



iii. p. 131, pi. 113 ; Moore, Brit. Birds, ordo ii. no 65 ; Yarrell, 



Brit. B. ed. Xewton, p. 483. 

 Cvanistes cseruleus, Eaup, Natiirl. Syst. p. 99 (1829) ; Cab. Mus. 



'Hein. i. p. 90. 



Adult male in summer -plumage. Mantle, back, and scapulars yel- 

 lowish green ; upper tail-coverts greyish blue ; cheeks, ear-coverts, 



