XIV 



Date 



I.XX. 1 .'5. Ci/jiridopsia naminytoni G. 0. Sais. 4-f). C 

 pusilla G. 0. Sars. 7-9. C. monodontu G. O. 



Sars. 10-12. C. sermta G. O. Sars 



I/XXr. 1 ?u Ci/pj-idopsis fridenfata G. O. Stir?. 4-6. C. tu- 

 vndula (J. (). Sars. 7-0. C. cont/encra (t. 0. Sars. 



10-12. C. fjibba G. O. Sars 



LXXII. 1-3. Zmiociipvis coatata Vavra. 4-7. Z. Icevi's G. 

 0. Sars. 8-10. Stenocypris perarmuta Brady. 



11-14. Heferocypris dubia G. O. Sars 



LXXIII. 1-4. Ilyocypris jwopinqua G. O. Sars. 5-7. I. alta 

 G. O. Sarp. 8-14. Limnicythere ohtusata G. 0. 



Sars. 15-17. Paracypria carta G. O. Sars 



Auditory apparatus of Bnlcenoptera muscidus 



Notops lofuana 



Pnge 



I 



y 732 



LXXIV. 



LXXV. 



LXXVl. 



LXXVII. 



LXXVIII. 



LXXIX. 



LXXX. 



LXXXI. 



LXXXII. 



LXXXIII. 



LXXXIV. 



LXXXV. 

 LXXXVI. 



LX XXVII. 



LXXXVIII. 

 LXXXIX. 



xc. 



XCI. 

 XCII. 



XCIII. 

 XCIV. 



xcv. 



XCVT. 



XCVIl. 



XCVIII. 



XCIX. 



c. 



CI. 



769 

 792 



Hydroids from 3Iergui Archipelago 799 



Pair of Red Grouae in summer witli young chicks .~) 

 Male Grouse, black type, in full winter-plumage . . 

 Male Gi'ouse, red type, in full winter-plumage .... 

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

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



a few black-centered feathers of the previous 



autumn-plumage 



Male Grouse showing marked beginning of the 



autumn-plumage on head and neck 



Male Grouse changing from winter- to nutumn- 



plumago 



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

 Female Grouse, Scottish buff -barred type, in full 



breeding-plumage 



Female Grouse, red type, changing from winter- to 



summer-plumage 



Female Grouse in full summer-plumage 



Female Grouse showing bare patch of skin and 



double line of barred feathers on abdomen 



Female Grouse, red type, feathers from flanks .... 

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

 Feet of Red Grouse : (1) New winter-feathers and 



nails ; (2) Full winter-plumage 



Feet of Grouse showing stages in moulting of nails. 



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



Heads of: (1) Female Grouse; (2) ISFale Grouse; 



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

 Head of Blackcock, sliowing supra-orbital comb . . 



Male Grouse showing abnormal erythrism 



Female Grouse, Irish buft'-barred type 



Female Grouse, abnormal yellow variety 



Female Grouse, grey variety 



Female Grouse, grey variety. (T.vpe of L. pprsini/f 



G. R. Gray)... 



1000 



