LIST OF PLATES. 



1910, pp. 837-1033. 



I'ACK 



Plate 



LXXVIII. Pair of Eed Grouse in summer with young chicks 



LXXIX. Male Grouse, bUvck type, i-n full winter-plumage 



LXXX. Male Grouse, red type, in full winter-plumnge 



LXXXI. Male Grouse, white-spotted bird of the red type .... i 

 LXXXII Male Grouse, red type, in full winter-plumage with ii 

 few black-centerd leathers of fhe previous autumn- | 



plumage 



LXXXIII. Male Grouse showing marked beginning of the autumn- 



plumage on head and neck 



LXXXI V. Male Grouse changing from winter- to autumn-plumage 



LXXXV. Female Grouse, black type, in autumn-plumage ■ 



LXXXVI. Female Orouse in full breeding-plumage j 



liXXXVlI. Female Grouse, red type, changing from winter- to j 



summer-plumage I 



LXXXVIII. Female Grouse in full summer-plumage . • I 



liXXXlX. Female Grouse showing bare patch of sliin and double I ^^^^^^ 



line of barred feathers on abdomen | 



XO. Female Grouse, red type, feathers from flanks 



XCI. Female Grouse, red type, worn upper tail-coverts j 



X€II. Feet of Bed Grouse : (1) New winter-feathers and 



nails ; .(2) Full wijitcjr-plumage | 



XCIII. Feet of Grouse showing stages in moulting of nails . . | 



XCI V. Heads of Grouse : (1) Female ; (2) Male | 



XCV. Heads of : (1) Female Grouse ; (2) Male Grouse ; 

 and (3) Ptarmigan, showing supra-orbital combs. ... 



XCVL Head of Blackcock, showing supra-orbital comb | 



XCVII. Male <5.rouse showing abnormal erythrism • j 



XCVITI. Female Grouse, buff-barred type 



XCIX. Female Grouse, abnormal yellow variety \ 



C. Female Grouse, grey variety , 



CI Female Grouse, grey variety. (Type of L. perskus j 

 G,R.Gray) -• ; 



