THE TIAZKL-IIKNS. 



77 



lishccl in 1798, calculated that 60,000 were yearly consumed in 

 Stockholm, and 40,000 more in other parts of the country. At 

 the present day that number is, beyond doubt, very greatly ex- 

 ceeded." 



Nest. — A small cavity scratched in the ground. 



Eggs. — Eight to twelve in number. Pale buff, spotted with 

 brown. 



II. THE GREY-BELLIED HAZEL-HEN. TETRASTES 

 GRISEIVENTRIS. 



Tetrastes griseivetttrts, Menzb. Bull. Mosc. Iv. pt. i. p. 105, pi. 

 iv. (1880); Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 93 



(1893). 



Adult Male. — Feathers of the breast sandy-grey, with narrow 

 black bars ; chin white ; the throat black, tipped with dark 

 rufous ; the chest reddish-black, barred and tipped with grey. 

 Total length, 14 inches; wing, 6*5 ; tail, 47 ; tarsus, 1-3. 



Adult Female. — Differs in having the chin white ; the throat 

 black, tipped with buff; the chest black, irregularly barred with 

 rufous and tipped with grey. Slightly smaller than the male. 



Range. — Eastern Russia ; Government of Perm. 



Nothing is known of the habits of this pe?^feafy distinct species, 

 considered by some Russian ornithologists to be merely a 

 variety of the Common Hazel-Hen. 



III. SEVERTZOV'S HAZEL-HEN. TETRASTES SEVERTZOVI. 



Tet7'astes severtzovi, Prjev. Mongolia, ii. p. 130, pi. xviii. (1876); 

 Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 93 (1893). 



Adult Male. — Feathers of the breast black, barred and tipped 

 with white ; outer tail-feathers black, barred w^ith white ; chin 

 and throat black. Total length, 13-5 inches; wing, 67 ; tail, 

 5-3; tarsus, 1-5. 



Adult Female. — Differs chiefly in having the chin and throat 

 buff, tipped with black. ^ 



Range. — North-eastern Central Asia ; Kansu, Koko-nor, and 

 the Hoangho River. 



