910 



INDEX 



phrasanl. Ret-ves 273. 328 



l.hi-a«aiil. ring-necked 15. 46. 73. 74, 103. 212. 229. 235. 236. 266. 

 333. 331. 339. 340. 312. 343. 344. 373. 390. 408. 416. 418. 419. 

 428. 434. 435. 436. 525. 683, 849 

 rorxinlrnce with grouse 21. 273 

 I'gg laying in grouse nests 273. 290. 3.33. 335, 876 

 interbreeiling with grouse 268 

 Pheidolf 426 



Philadelphia iPa.t 7. 8. 194 

 I'hilip. C.B. 417 

 Fhihppine Inlands 419 



Phillips. J. C. xxxvi, 33. 393. .394. .395. 721 

 Phillips. M. K. 775 

 ph<mphnrti8. a fond component 239 

 Phsllophaga 213 

 Phvsaloptera 409. 434 

 Physiologiral Laboratory (N,Y.) 749 

 phy»inl(igieal studifS 749 

 body U-mperatiire 751 

 choice of problems for study 750 



comparisi)n of feeding and fasting grouse 62, 756. 759, 760 

 diurnal trend in body temperature 751 



effect of excitement on tL-mperaliire and respiration rate 752 

 effect of fasting on body weight 63. 229. 764 

 effect of rainfall on maintenance of body temperature 754 

 food requirements 768 

 heart activity as an index of vitality 755 

 methods of study 750. 758 



rectal temperature as an index of body temperature 62. 750. 751 

 relation of food rations to body weight and vitality 37. 63, 768 

 resistance of grouse to starvation 62. 229. 761 

 respiration rate 62. 751 

 significance 60 



time required for f<)od to digest 63. 766 

 water requirements 62. 239. 761. 763. 765. 770 

 physiology (sec also physiological studies) 36. 60. 513 

 PhMolacvn americana 847 

 pigeon 420. 433, 434, 439 



Pigeon River State Forest (Mich.) 374. .520. 558. 559. 56i. 569 

 pill itiig (seesowbug) 

 pine 115. 210. 386 

 pine, jack 56 

 pine, red 655. 883 

 pine, white 210. 655. 845. 883 

 Pine County (Minn.) 558.559 

 Finus Strohu-s 210. 845 

 Piper. S. E. 196 

 Pitelka, F. A. 53 



Pittman-Robertson i)rojects regarding grouse 

 Connecticut 31 

 New Hampshire 31 

 New York 345 

 Ohio 31 

 Vermont 31 

 Virginia 31 

 Pittsburgh (Pa.) 8 

 planting to .levelnp grouse liabitals 



data regarding propugutiun of stock 883 

 interplanting 660 

 planting design for open land 616 

 planting methods 657 

 requirements of various plants 655 

 securing and caring for stock 657 

 species to use 655 

 types of plantings 659 

 underplanting 620, 661 

 Pleeoptera 775 

 Pleistocene period 2. 46. 272 

 plow {see man's aids) 

 plumage 



adult 78. 81.746 

 development 33. 79. 81. 748 

 function 78 

 juvenile 7H. 80. 746 

 natal 78. 79. 746 

 relation to age 81. 748 

 sequence 78. 84 

 plumulae 59, 79. 746 



pneumonia (see also ospergilhinisl 436. 439 

 Poa 208 



Poa pnitrn-tis 845 

 Pocolello Ml. (N.Y.) 253 

 Pudnphylium iiellatum 195 

 podopMlin 195 

 poison ivy 191. 203. 848 



poisoning of trees and nhrubs. an a management tool 610 

 puisononit chemicals 

 effect on grouse 195 

 use in management 610. bS'l 

 puiaonoui plants 



effect of eating (on grouse) 193 

 properties of 195 

 poisonous sultdtunrcH, plants contiiining 191 

 pokeweed 847 



P.dderborr. E. B. 18.3. 188 



polvchrtimatism 36. 57 



polygamv 248. 266. 450 



Polygonacrae 206 



Puhgomitum hiflorum 815 



Pnhganum 191. 206 



Polygonum prnnsylianicum 847 



Polygonum scandens 847 



Polvpodiaceac 206 



Polypoiiium virginianum 206 



Pohitichum arroitichoidi-s 206 



fiondweed 192 



Poole. E. L. 98 



Pope County (III.) 50 



poplar (see also aspen) 188 



population of grouse in New York, estimated 104 



jiopulation surplus 



harvest of. a management measure 552. 577. 587. 631. 6b7. 671. 



673 

 oecurrence (sec productivity) 



proportion of crop available for hunting 550. 667. 668. 676 

 regulation of the grouse harvest 673 

 relation to predalion 309. .328. 330. .332. 338 

 population trends (see also life equations) SM, S13 

 periodicity on local areas 564 

 recorded bv Investigation on study areas 523. 539, 5'13. 54-1, 



545. 564. 565. 569. 570, 882 

 recorded by other observers on local areas 557, 558, 559 

 regional (see fluctualitms) 



svnchronium on local areas 555. 559. 568. 569. 570. 674 

 populations, characteristics (see also various topics as listed 

 below) 511. 513 

 age composition 513 

 carrving capacity 512. 522 

 density 512. 517 

 rate of spread 512. .522 

 saturation point 331, 512, 521 

 sex ratio 512. S14 

 Populu!. 198 



Populus gnindidentata 201 

 Populus irvmuloides 186. 189. 201. 8)5. 816 

 PoTcellio scnher 41 1. 415. 420 

 porcupine 14. 333 

 Porcupine River (.\lsk. -Yukon) .52 

 Porto Rico 420 

 posting of land 391. 392. 098 

 Pulamngeton 192 

 Poughkcepsie (N.Y.) 10.507 



poultry. fK-currence in predator food analysis 339, 340. 342. 313 

 poultry diseases, relation to grouse 408. 412. 415, 417. 475 

 prairie chickens 243, 408. 674 

 Preble. E. A. 285 

 precipitation 



relation to adult morljlity 304 

 relation to brood morlahiv 299. 303. 576 

 relation to tree growth 575 

 predation 307 



as a contributory influence on fluctuations in grouse abundance 



574 

 as a culler of crippled or diseased stuck 330. 332. SS2 

 compensatory 309. 321. 327. 337, 552 

 competing interests 310 

 effect during adult period 308. 319 

 effect during brood period .307. 317. 332 

 effect during nest period 307. 311. 332. 526. .527 

 general relationships .307. 308. .309. 331. 552 

 grouse not a staple food of any predator 308. 327. 338 

 inffuence of vulnerability 327. 330. 552 

 relation to carrying capacity 524 

 r>de of 310. 511. 513. 551 

 significance of .109. 331, 338 

 under artificial propagation 4SS 

 predator control 345 



effect on grouse productivity 308. 350 

 effect on predators 346. 552 

 experiments ctmducled 315 

 number of predators taken 329. 315. 875 



place in a management pr..gr(im 307. 309. 345. 350. 630. 667. 6(.8 

 results during adult period .308. 317. 349 

 results during brood perioil 308. 347, 349 

 results during nest period 307. 308. .327. 345. .316. 349 

 selective 331. 345. .3.50. .5.52. 667. 669 

 ]<redator pressure 327 



effect of unusual abundance of grouse 327 

 relation of buffer .-ibundance to fox activity 308. 328 

 relation to degree of predation on grouse 314. 321. 327 

 variations in 327. SS2 

 predator* 



densities t.bserved 329. 330 



fluctuations in abundance (Bee also methods and lechniqurt) 



.308. 323 

 food habits (see also predators, food habilo of I 308. 331. 338 

 grouHc : predator ratios 329 

 inlcrprcdator rrlationshij)* 3>i4 



