LIST OF ILLUSTRATIONS 



I. 



II. 

 III. 



IV. 

 V. 



VII. 



VIII. 



IX. 



X. 



XI. 



XII. 



Xlll. 



XIV. 



XV. 

 XVI. 



XVII. 



xviir. 



XIX. 



XX. 



XXI. 



XXII. 



XXIII. 



XXIV. 



XXV. 



XXVI. 



XXVII. 



XXVII«. 



XXVIII. 



XXIX. 



XXX. 



XXXI. 



P.^IR OF RED GROUSE IN SUMMER WITH YOUNG CHICKS 



MALE GROUSE, BLACK TYPE, IN FULL WINTER PLUM.\GE 



M.VLE GROUSE, RED TYPE, IN FULL WINTER PLUMAGE . 



MALE GROUSE, WHITE SPOTTED BIRD OF RED TYPE 



MALE GROUSE, RED TYPE, IN FULL WINTER PLUM.AGE WITH A FEW BL.iCK CENTRED 



FE.VTHERS OF THE PREVIOUS AUTUMN PLUM.\GE 

 MALE GROUSE SHOWING MARKED BEGINNIN<; OF THE AUTUMN PLUM.AGE ON HEAD 



AND NECK .......... 



MALE GROUSE CHANGING FROM WINTER TO AUTUMN PLUMAGE 



FEM.\LE GROUSE, BLACK TYPE, IN AUTUMN PLUMAGE .... 



FEMALE GROUSE, RED TYPE, CHANGING FROM WINTER TO SUMMER PLUMAGE 

 FEMALE GROUSE IN FULL BREEDING PLrMAGE ..... 



FEMALE GROUSE IN FULL SUMMER PLUMAGE ..... 



FEMALE GROUSE, RED TYPE, FE.ATIIERS FROM FLANKS .... 



FEET OF RED GROUSE: (1) NEW WINTER FEATHERS AND NAILS; (2) FULL WINTER 



PLUMAGE ; (3), (4), (3) AND (6) SHOWING STAGES IN MOULTING OF NAILS 

 FEMALE GROUSE, SHOWING BARE PATCH OF SKIN AND DOUBLE LINE OF BARRED 



FE.ATHERS ON ABDOMEN ..... 

 FEMALE GROUSE, RED TYPE, WORN UPPER TAIL COVERTS 

 HEADS OF (1), (2), FEMALE GROUSE; (3), (4), MALE GROUSE; (.5) PT.\RMIGAN SHOWING 



SUPRA-ORBITAL COMBS .... 



HEAD OF BLACKCOCK SHOWING SUPRA-ORBITAL COMB 



MALE GROUSE SHOWING ABNORMAL ERYTHRISM 



FEMALE GROUSE, BUFF-BARRED TYPE 



FEMALE GROUSE, ABNORMAL YELLOW VARIETY 



FEMALE GROUSE, GREY VARIETY 



FEM.ALE GROUSE, GREY VARIETY 



TYPES OF HEATHER .... 



PLANTS EATEN BY THE GROUSE (4 Figures) 



PLANTS EATEN BY THE GROUSE (4 Figures) 



DIAGRAM OF ALIMENTARY TRACT 



ALIMENTARY TRACT, CyECUM, RECTUM, GIZZARD, DUODENUM, SMALL INTESTINE 



ALIMENTARY TRACT IN SITU . 



C/ECUM, DUODENUM, ETC. 



RECTUM AND SMALL INTESTINE 



C^CA ...... 



C-iECA AND KIDNEYS .... 



TEXT-FIG. 1. FRACTURED HUMERUS AND SC.\PULA RE-UNITED . 



,, 2. THE SAME BONES UNINJURED .... 



,, 3. FRACTURED AND RE-UNITED BREASTBONE OF A GREY HEN 



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