INDEX 



909 



Norwich (N.Y.) 391 



Nova Scotia 3, 18, 33. 47, 454, 504, 507, 566. 567 

 number of eggs, hand-reared grouse 454 

 number of eggs, wild grouse 71, 354, 360 



in first nests 354, 361 



in renesls 291, 354, 364. 526 



regional variations in New York 362 



yearly variations 362 

 number of grouse in New York, estimatnl 101 

 number of grouse killed by hunting 



crippling loss 376 



proportion taken 373, 378 



reported kill in New York 372 



seasonal and daily bags 10, 369, 375 



success ratio 369. 372, 375. 376, 378 

 nutrition (see food of grouse; physiological srinlies) 

 nutritional deficiency 



relation to brood mortality 528 



relation to disease 404. 405. 415 

 nutritive requirements 238, 239 

 nutritive value of food, as a contributory influciire in flucluiilinn-* 



in grouse abundance 241, 575 

 Nuttall. T. 9, 11. 13. 14. 260. 276. .i57 

 Nyctea nyctea 324. 333 

 Nyssa sylvatica 206 



oak 198, 202. 215. 218, 220, 221. 228 



oak, black 202. 215 



oak. bur 202 



oak. pin 202 



oak, red 202. 205. 215. 640. 655. 846. 883 



oak. scarlet 190. 202 



uak, scrub 202. 227. 655, 662. 846. 847. 883 



oak. while 188, 202. 227. 655. 846, 883 



imk family, as a source of grouse food 201 



oat 210. 212 



Odonata 775 



oestrus 67. 267 



Ohio 17. 19, 23. 24. 30. SO. 53. .54. 255. 508 



Ohio Conservation Department 19. 20, 23. 24 



Ohio River 255 



Ohio Wildlife Research Unit 30 



Oklahoma 52 



Oneida County (N.Y.) 114 



Ontario 12. 31. 312. 323. 324, 404, 409. 420. 427. 430. 433. 431. 



557. 558, 560. 562. 563. 566. 567. .568, .572. .574. 845. 847 

 Ontario Plain (N.Y.) 36 

 openings, cover 



effect on nest survival 136. 798 

 influence on nesl location 132, 134, 790, 792 

 man-made 134, 176 

 relatinn to food supply 231, 776 

 significance in grouse habitat 132. 170. 596 

 open l.inil (see also coverj 

 planting design for 616 

 use hv adults 152, 156. 819. 821 

 use by broods 140. 801 

 use for nesting 128. 783 

 ..possum 15. 324. 330. 333. 334. 310, 342. 344, 669. 711. 875. 876 

 Orange County (N.Y.) 287 

 orchard damage by grouse 102, 187 



Ord. C. 47 » 



Oregon 48 



Oregon Wildlife Research Unit 19. 20. 509 

 Ornithoica vicina 409 

 Orobancliaceae 210 

 O'Roke, E. C. 433 

 Orthoptera 198. 212. 223. 775 

 Osborne, L. xxxv 

 osprey 333 

 Oslrya 198 



Ostrya virginiana 186. 201. 846 

 Oswego County (N.Y.) 210 

 Otsego County (N.Y.) 431 

 Otselic valley (N.Y.) (iQS 

 Ott. F. 23. 24 

 OtiiS asin 333 



Ouachita Mountains (Ark.) 50, 52 

 overgrown land (see also cover) 

 design 618 

 maintenance 641 

 use bv adults 1.52. 155. 819. 821 

 use by broods 140. 801 

 use for nesting 128. 783 

 owl (see various species) 14. 309, 334, 335. 337. 391. 432. 439. 870 

 owl. barred 330. 333. 337, 339, 342. 344. 875 

 owl, great grav 333 



owl, great horned 308. 313. 321, 323. 324. 329. .3.30. 333, 334. 336. 

 338. 339. 341. 344, 346, 381. 432. 552. 630. 667. 668. 669, 875. 

 876 

 as a predator of adult grouse 27. •308. 322. 328. 337. 348. 455. 



876 

 frequency of grouse in pellets in relation to buffer abundance 

 322 

 owl. long-eared 875 



owl. saw whet 875 



owl, screech 57. 333. 342. 875 



owl, short-eared 875 



owl, snowy 330. 333. 337, 339, 343. 875 



periodic influxes from the North 321 

 oxalic acid 195 



Oxalis 195. 210 ' 



Oxvspirura petrowi 409. 434 

 Ozark Mountains (.\rk.-Mo.) 4. 50, .393 



Palmer. R. 339 



Pandion haliaetus 333 



panther 309. 333 



paralysis, relation of vitamins to 239 



parasites, animal (see also various species) 405 



manner of infection 408 



numbers encountered per bird 411. 414, 416. 418. 421, 42i. 426. 

 432 



regional dislribuliun 401. 409. 412, 413. 415, 416. .574. 575 



relation to age of bird 410. 412. 413 



relation to disease 403, 404 



relative occurrence in New York IJO. 115, 430 



seasonal variations 412. 413 



species found in grouse 409 



yearly variations 413 

 p.irasites. plant 404. 408 

 liarasitium and disease 401, 410. 694 



animal parasites of grouse (see also parasites) 405 



<lisease in hand-reared grouse 102. 108. 415. 116. 417. 428, 429, 



435. 446. 450 



external parasites 410. 411, 430. 475 



factors which may cause disease 404. 671 



"grouse disease", so-called 401. 402. 404. 415. 574 



internal parasites 410, 411 



methods of study 403. 714 



number of specimens aulopsied 103. 415. 433 



parasites not encountered during Investigation 433 



parasites of the digestive tract 419, 436 



parasites of ihe respiratory system 417, 436 



plant parasites of grouse 408 



relation nf disease i.» predation (see also prcdalion) 417. 552 



relation to grouse of diseases of other species 385. 408. 415, 435, 



436. 438. 439 



relation to grouse of diseases of wild mammals 416 

 relation to gntuse o( parasites of other wild birds 116. 133. 431 

 relation to management 442, 631, 67) 



relation to occurrence of pathological conditions 411, 412 

 role of disease 442, 511. 531. 532. .551 



significance of stomach worm infection 33. 402. 411. 121. 574 

 Pardee. A. xxxvi 

 Parker, R. R. xxxvi. .30, 417 

 parks 



national 682. 685 

 related to grouse munagement 681 

 state 682 

 Pattkenocissus quinquefoHa 208 

 partridge, chukar 436 

 jtartridge, Hungarian 103, 416. 420 

 partridge, name of ruffed grouse 3 

 Piirlridgeberry 198, 207, 208, 215, 218. 222. 224. 225, 227. 228. 



231. 235. 849 

 Partridge Run Game Management Area (N.Y.) 19 

 pasturing (see livestock) 

 pathologv (sec parasitism and disease) 

 pattern for ideal grouse covert 588 

 Patlon. F. A. .333 

 Peace River (Alia.) 47 

 peafowl (peacock) 46, 418 

 ])canut. hog 8'18 

 pectoral girdle (see anatomy) 

 P.'diovcetes 725. 728. 733, 734 

 Peel River (Yukon-N.W, Terr.) 52. 56 

 pelvic girdle (sec anatomy) 



Pennsylvania 1. 4. 7. 11. 13. 18. 22. 24. 31. 36. 46. S3. 183. 

 221. 222, 239. 272. 274. 285. 288. 312. .324. 340, 342. 34.3, 344, 

 182. 38,3'. 409. 423, 124, 558. .560. 562. 563. 566. 567, 573. 815. 

 846. 847, 848. 819 

 Pennsylvania Game Commission xxxvi. 18. 24. 572 

 Pennsylvania Wildlife Research Unit 31 

 Perdicidae 46 

 peritonitis 405 

 Peromyscus 188 

 perosis 405. 436 

 cause 441 

 control 239. 441 

 nature 441 

 pests (see insect pests eaten) 

 Peters. J. L. 33 

 Phalongida 775 

 Phalaris arundinacea 208 

 Pharsalia (N.Y.) 18. 19 



Pharsalia Game Refuge (N.Y,) 18. 391, 508. 520 

 PharsaHa study area (N.Y.). description 695 

 Phasianus colchicus 333 



