548 



Illinois Natural History Survey Bulletin 



Volume 23 



Swamp white oak, 498, 505 

 Swan, laws relating to, 332 

 Sweet gum, 504, 509, 513, 531; see also Red 



gum 

 Sycamore, 490, 496 



Vert'icillium, 444 



albo-atrum, 444 

 Vitis, 500; see also Wild grape 

 Vulnerability quotient; see Duck 



W 



Taenia pisiformis, 472 

 Tamiasciurus liiidsonicus loquax, 454, 529 

 Tapeworm, 471 



Taxodium distkhum, 499 ; see also Cypress 

 Teal {see also Blue-winged teal. Green-winged 

 teal) 



laws relating to, 3 54 



shooting pressure on, 354 



vulnerability, 338, 339, 354 

 Tennessee, black crappie in, 392 

 Territories, waterfowl regulations, 328, 370; 



see also Dakota Territory 

 Texas, squirrel investigations in, 453, 471, 475, 



481, 487, 503 

 Thompson Lake drainage district, 358 

 Ticks, 472 

 Tilia glabra, 499 

 Toxylon pomifcrum, 499; see also Osage 



orange 

 Tritlcum, 501 ; see also Wheat 

 Trombicula, 472 

 Tsuga, wetwood of, 407 

 Tularemia, 449, 473 

 Tulip poplar, 499 

 Tung, slime flux of, 408 

 Tupelo gum, 492, 499, 504, 513, 516, 531 

 Turtle, 385, 388 

 Typha latifolia, 377 



U 



U I mils 



alata, 498 



americana, 498 ; see also American elm 

 wetwood of, 408, 423, 445 



ftilva, 498 



wetwood of, 408, 423, 445 



procera, wetwood of, 408, 423, 445 



pumila, wetwood of, 408, 423, 424, 445 



wetwood of, 407 ; see also Elm 

 U. S. Bureau of Biological Survey, 331 

 U. S. Fish and Wildlife Service, 327, 333 

 U. S. Weather Bureau, 329, 331 

 Upland game hunting regulations, Michigan, 



340 

 Urbana Township Wildlife Area, 510 

 Urea feeding; sec Elm 



f'allisneria spiralis, 339 

 Vermont 



gray squirrel migration, 467 



wood duck in, 363 



Wabash River, 492 



Walnut, squirrel use of, 490, 492, 493, 497, 505, 

 508, 509, 520, 521, 522, 523, 528, 531 

 Warmouth bass, 395-7 

 in Onized Lake 

 age, 395, 396, 403 

 census (catch, yield), 380, 381, 382, 383, 



384, 395, 396, 397, 406 

 growth, 395, 396, 397, 404 

 length, 383, 395, 396, 397 

 weight, 380, 381, 382, 383, 395 

 in Reelfoot Lake, growth, 395, 397 

 Waterfowl (see also Duck, specific references) 

 hunting regulations, 327—72 



bag limit, 327, 328, 331, 332, 359, 368, 370, 



371 

 baiting, 327, 328, 331, 333, 356, 358, 364, 



370, 371 

 California, 331 

 Canada, 327, 328 

 Dakota Territory, 332 

 decoys, live, 327, 328, 331, 333, 356, 364, 



370, 371 

 England, 328 

 favoring depleted species, 328, 332, 361, 



370, 371 

 federal, 328, 370 



history of, 328, 329, 331, 332, 333 

 hunting zones, 329, 331, 332, 355, 356, 367 

 Illinois, 327-72 

 Iowa, 331 

 Kentucky, 331 

 Massachusetts, 333 

 New Jersey, 331 

 Ohio, 331 

 Oklahoma, 331 

 open season, 327, 328, 331, 334, 340, 354, 



355, 356, 361, 368, 370, 371 

 Pennsylvania, 331 

 possession limit, 331, 370 

 Rhode Island, 328 



shell limit, 328, 331, 333, 368, 370, 371 

 shooting hours, 328, 331, 332, 356, 368, 370, 



371 

 South Dakota, 333, 362 

 in territories, 328, 370; see also Dakota 

 Territory 

 Waterfowl clubs, 333, 368, 371 ; see also Duck 



clubs, Duck Island Preserve 

 Watermelon, 501 

 Waterweed, 377 

 Weasel, 473 



West Virginia, squirrel investigations in, 503 

 Western fox squirrel {see also Fox squirrel) 

 distribution, 454, 529 



