466 



INDEX 



Plumage cont inued. 



Ogilvie-Grant's theory, 43 f, 55 

 Millais's theory, 45 

 in hen, 54-65, 67-68 



re-pigmentation, 51 



as guide to sex, 74, 76 



as guide to age, 77 

 Pneumonia, 175 



never observed, 161 

 Poached game, facilities for sale of, 



413 

 Poachers, 411 ff 



professional, 411 



occasional, 413 



prevention of, 411 f 



in former days, 412 



snaring on stocks, 412, 



"becking," 41 2 



netting, 412, 414 



egg-stealing, 414 

 Poisoning, 136 



septic, in Grouse, 137 

 Polecat, 408 

 "Preservation -theory" of "Grouse 



Disease," 152, 403 

 Primary feathers, 77 

 Protozoa, 202 

 Proventriculus, 165 

 Ptarmigan, moults of, 52 



RAINFALL, effect on heather beetle, 378 

 relation to yield of Grouse, 139, 319 ff 



Raven, as vermin, 410 



Rectum, 168, 172, 175 

 inflammation of, 175 



Re-pigmentation of plumage, 51 



Rook, as vermin, 400 



Rotation, in heather-burning, 361 



KCATOPSAGA STERCORARU, SC6 Dllllg-fly 

 Scent, loss of while sitting, 14 

 Sex, methods of ascertaining, 177 f 

 in relation to plumage, 42 ff 

 to weight, 33 ff 

 to packing, 27 

 Sheep, destructive to seedling heather, 



355 



fencing burnt areas from, 355 

 Sheep-drains, 17, 135 

 Shot, wounds from, 128 ff, 131 



alleged poisoning by, l-'Hi 

 Skin disease, 150 

 Snaring on corn stooks, 412 

 Snow, effect on pairing, 4 

 on nesting, 5 



on health of stock, 25, 143, 331 

 on migration, 5, 143 



Snow continued. 



"jugging" in, 25 

 breaking of surface, 143, 402 

 vermin tracking in. 402 

 " Soft-shell," 149 

 Spirochcp.ta lagopodis, 203 

 Spirochceta lovati, 203 

 Spirochcetacea, 203 



Sporozoa (blood parasites) of Grouse, 203 

 Spleen, 150, 176 

 " Stetchworth " or ( ' Euston " system . 



397 

 Strongylosis, 204 ff 



the " Grouse Disease" of adults, 



201, 209 



in normal birds, 214 

 almost universal in Grouse, 208, 323 f 

 Cobbold's discovery of, 153 ff 

 a progressive ailment, 214 

 a spring disease, 180, 238, 265 

 due to Stronyyli, 201, 209, 220, 323 

 occurs in cteca, 173, 175, 201, 208 

 pathology, 206 ff 



effect on caeca, 212 f, 221 



post-mortem appearance, 212 ff 

 effect on moult, 46 



on reproductive organs, 179, 283 

 no effect on liver, 213 

 affecting weight, 157, -17 

 affecting temperature, 217 

 seasonal mortality from, 49, 211, 



238 ff, 326 



recovery from, 215, 240 

 to,ni')tiia in, 219 f 

 helminthic toxins in, 221 

 relation to hacillus coli in tissues, 



158, 217 f 

 infection, artificial, 233 ff 



natural, 236 

 remedial measures, 235 

 Xtrongylus pergrncilis , see Trirho- 



strongylus peryracilu 

 Stoat, methods of destruction, 406 

 Stock management, 415 

 meaning of term, 416 

 statistics, 416 f 

 generalisations, 417 

 examples of typical moors (table), 



418 f 



The "ideal," stock, 415 

 in relation to acreage, 416 

 "Winter" and "Summer," 416 

 dependent on winter food supply, 416 

 large "Winter," undesirable, 430 

 ascertainment of, 400 f, 422 

 regulation by shooting, 401, 420 

 on let moors, 421 



