INDEX 



905 



Hatch. J. P. 561 



hatching dates, average 513 



hawk (see bIbo various species) U. 309. 334. 335. 337. 390, .;91. 

 432. 439, 876 

 food habits 336 



hawk, broad-winged 330, 333, 336, 337, 432, 875 



hawk. Cooper's 15, 308, 323. 325. 329, 333, 334. 338. 339, 312, 

 343. 344. 346. 347, 381, 669. 670. 875. 876 

 as a predator of adult grouse 337. 456, 713. 876 

 as a predator of grouse chicks 308, 317, 335. 336, 669, 876 



hawk, duck 333 



hawk, goshawk 14, 262. 321. 330. 333. .336. 338, 339. 31.1. 381. 

 552. 630, 668. 669. 875 



as a contributory factor in grouse 6uctuatinns 571 

 as a predator of adult grouse 327. 337. 876 

 periodic influxes from the North 324, 574, 669 



Iiawk. gyrfalcon 333 



hawk, marsh 330, 333, 336, 337. 339, 344, 432, 875 



Iiawk, pigeon 333 



hawk, red-shouldered 15. 330, 333. 336, 339. .344. 875 



hawk, red-lailed 15, 330, 333, 336, 337, 339. 343. 344, 432. 875 



hawk, rough-legged 330. 875 



hawk, sharp-shinned 323, 325, 329. 333, 338. 339, 342, 343, 314. 

 346. 347. 381. 669, 670. 875 

 as a predator of grouse chicks 308. 317. .335, .336. 669. 876 



hawk, sparrow 875 



hawkweed 190. 201. 218 



hawthorn (see ihornapple) 



hazelnut 198. 201. 211. 218. 655. 662 



hazelnut, american 215. 846. 883 



hazr-lnut. beaked 215. 846 



head-twiirhing 283 



hrart rale (see also physiolngiral studies) 37. 62 



heath family, as a source of grouse food 202 



heath hen 25. 46. 394. .502 



heather 309 



Hcinricli. C. xxxvi 



Helianthus annuus 849 



Heller. V. O. 244 



Hellmera. H. 239. 845. 846. 817. 818. 819 



Hcmiptrra 198, 213. 223. 224. 775 



Hemlu.k (Mich.) 520 



hf-mlock 115. 210, 228. 238, 386. 640, 655. 815 



Henry VHI 2 



Henry House (Aha.) 47 



Hepatica 208 



Herkimer County (N.Y.) 1H 



Hermann. F. J. xxxvi 



Herrick. C. A. 424. 426 



Hersey. F. S. 333. 336 



flelerakis 408 



f/eterakis bonasae (see also cecal worms) 409. 415, 416, 425, 427 



ffeterakis gallinae 415. 427 



Heterakis vesiculan's 415 



Hewitt. C. C. 556 



Hexapoda 409 



llieracium 201 



highways (see man's aids) 



Histomonas mrleogris (see also Mackhead) 409, 438 



hock disease (sec pernsis) 



Hodge, C. F. xxxi, 1.5. 22. 21. 25. 30. 271. 276. 447. 153 



hog, razorbark 333 



Holm. F. R. 22, 24. .30. 77, 694 



Homoptera 198. 213. 224. 775. 776 



Iioneysucklc family, as a source of grouse fo<i.I 201 



Hookway. W. E* 12 



hop-hornbeam (see hornbeam, hop) 



hornbeam, american 198. 201. 211. 21,5. 2IB. 227 



hnrnheam. hop 182, 186. 190. 198, 201. 205. 209. 211. 214. 215 



216. 217. 218. 219, 220. 225, 227, 237. 238. 244, 65.5. 707. 816 

 horned owl (see owl) 

 Hornellsville (N.Y.) 95 

 horse-tail 195 

 Hnrsfall. M. W. 426 

 Hoslcy. N. H. 31 

 Host. r. 78 



Houghton, W. M. 22. 21 

 Hniightnii I.ak.- (Mi.-h.) .559. .569 

 House. H, 1). xxxvi 

 house rat (see cat) 

 Howard. H. E. 251 

 Howard. U'. G. xxxv 

 Howell. A. B. 728, 7.35 

 Howes. G. 10. 375 

 Hoy (Scot.) 254 



huckleberrv 202. 220. 224. 225. 231 

 Hudson. O. E. 727,734 

 Hudson. Henrv 46 

 Hudson Hay 47. 52. 110 

 Hudson River 326 



Hudson valley (N.Y.) 36. 57. 225. 413. 41.i. 119. .197 

 Hudson's Bay Company 556, 578 

 hunting, organization of coverts for 591. 629 

 hunting nf grouse (see alsr* conservation) 371 



a management measure 370. 380, 552, 577. 667 071. 673 



crippling loss 376 



effect on grouse abundance 370. .17.3. 379, 511. 512. 532. 538, 

 547. 550, 551 



for sport 103, 371 



for the market 101, 371. 558 



methods 371. 389 



number and per cent bagged 369. 372. 376, 378 



regulation of (see also hunting regulations) 557. 602, 678 



seasonal and daily bags 104. 369. 375 



success ratio 369, 372. 375. 376. 378 



use of dogs 395 

 hunting of predators (see also predator control) 381 



effect on grouse abundance 382. 383 



effect on predator abundance 381. 382 



number and per cent taken 381. 382 

 hunting regulations 



bag limits 370, 372. 389 



elimination of market hunting 17. 388. 389 



laws 17. 370. 388. 557. 602 



limitations on methods 389 



time and duration of season 370. 372. 373. 389 

 hunting season, cover preferred 160. 829 

 Huntingdon County (Pa.) 818 

 Hunlinglon. D. W. 15 

 Huxiev. J. 311 

 hybrids 248, 268 

 Hyde Park (N.Y.) 19.507 

 hydrocyanic acid 195 

 tfYmenolepix carioca 409, 431 



Hymenotrpii microps (see also small tapeworm) 109, 412. 427 

 Hvmrnopirra 198. 212. 223. 224. 775. 776 



ichneumon flit-9 213. 221 



Irhneumonidae 213 



Idaho 31.48 



//ex vrrticillaia 210 



Illinois 50. 54. 194. 2.55. 415 



Impatirns hiflora 208 



importrd sork. liberation «f (see realm-king I 



inbreeding 15. 367. 672 



increase in grouse abundance (see fluctuations I 



incubation period 



habits nf female during 286 



length of 73, 288. 475 

 Indian. American 2. 4. 5. II. 46. 385. .389. 393 

 Indian Trail Refuge (Mo.) 19 

 Indiana SO. 53. 54. 255 

 insect, scale 213 



insect eggs, represented in food collections 213 

 insect paraaitcK of grouse (see also parasitism and disease) 409 

 insect pests eaten 101. 212 

 insect plagues .556 



insects, effect on grouse food supply 231. 232 

 insects, occurrence in predator food analysis 339. 310, 341, 342. 



343. 341 

 insects eaten by grouM- (see also animal foods) 



abundance in different cover types 776 



numbers collected on study plots 214. 775 



relative importance lo adults and chicks 212. 214. 216. 221, 223 



^uppIy available as fooil 21 1. 231. 775 

 integration of foresir> and uann- nianagrmeni 623 

 interbreeding 268 

 inlerplanling 660 

 interpredalor relalion>-hips .'III 

 inlerspersion. role of 113. H>8, 609. 818 

 intestinal inflammation 411. 412 

 intestinal worms (see also large roundworms) 15. 108. 409. 410. 



411. 412. 413. 416. 125 

 intimidation display 66. 282 



investigations reganling grouse xxxi. xxxii. 30 

 I own .10. .50. 183, 188 



Iowa .Agricultural Experiment Sialiun 30 

 iron, pig 578 



ironwood (see hop-hornbeam I 

 Isham. R. H. 23 

 Ishii. N. 31 



Isle Royal (Mich.) 50. 251 

 Isopoda 775 

 Ithaca (N.Y.) 183. 199. 203. 213. 239. 255, 302, 325. 579, 747. 



815. 816. 817. 818. 849 

 Ithaca Came Farm IN.Y.) 18 

 ivy. grounil 195 

 ivy. poison 194. 195. 203 



Jackson. H. H. 15 



Jacobson. K. .\. 31 



.Kicckel. H. F.. Jr. 21 



Jay Mountain (N.Y.) 695 



JefTerson Countv (N.Y.) 199. 213 



Jeflries. G. A. 16. 22. 24. 27. 30 



jewel-weed 207. 208. 215. 218. 222. 221 



iewel-weed. pale 215 



jewel-weed, spotted 207. 215 



irwel-weed family, as a sotirrr of grouse food 208 



]..!., H. K. 22. 28 



