424 



INDEX 



Territory, bird, 168, 169, 170, 176 



home, 170 



hunting, 170 



mammal, 168-170 



neutral, 170 



song-sparrow, 169 

 Tetragnatha laboriosa, 231 

 Tetrao, 197 

 Texas coyote, 280 

 Texas horned lark, 280 

 Texas mole, 280 

 Texas wolf, 280 

 Thais, 326 



emarginata, 328 

 Thaleichthj's pacificus, 316 

 Thamnophis radix, 265, 274 

 Thaumantias, cellularia, 315 

 Thermocline, 297 

 Thistles, 129 

 Thomomys, 257 



bottae, 290 

 Thyrasira flexuosa, 340 

 Thysabiessa, 320 

 Thysanoessa, 320 

 Thysanura, 275 

 Tidal, areas, 99, 100 



belts, between high and low, 99 

 littoral benthif. 99. 100 



communities, 313, 325, 331, 332, 333- 

 358 

 Tide pool, 328 



Tiger beetle, 232, 266, 267, 268 

 Timber rattler, 276 

 Tintinnidium fluviatile, 303 

 Tintinnids, 315 

 Toad, horned, 267 

 Toleration, law, 105 

 Toxins, 89, 90 

 Toxoplasma, 185 

 Trachelomonas volvocina, 303 

 Trachypogon, 278 



montufari, 278 

 Tradcscantia virginiana, 272 

 Tramping grazers, 119 

 Trampling, 79, 85 

 Transpiration, 88 

 Trapping, 196 



animals, 357 



mice, 356 

 Tree rings, 192 



Tree trunks, 114 

 Tribolium, 166 

 Trichachne californica, 282 

 Trichoplankton, 14 

 Trichotropis cancellata, 330 

 Trimerotropis, 260 



pallidipennis, 267 

 Triodia, mutica, 282 



pilosa, 278, 282 



pulchella, 282 

 Triposplankton, 14 

 Tripscum, 51 

 Troglodytes, aedon, 213 

 Trophallaxis, 153, 154 

 Trophobionts, 154 

 Tropism, 147, 151 

 Trout, 159, 307 

 Trumpet vine, 127 

 Tsetse fly, 12 

 Tularemia, 187 

 Tundra, 20, 95, 96 

 Tunicate?, 313, 319 

 Tunnels, 114 

 Tunny, 201 



Turbidity, 70, 98, 235, 236, 302 

 Turritella, 341 

 Turtle, box, 267, 268 



painted, 301 



sand, 268 



snapping, 301 

 Twig borers, 109 



Tympanuchus, cupido americanus, 259, 

 274 



Unbalance, 173 

 Ungulates, 74, 153 

 Unio, 143 

 Usnea, 140 

 Utricularia, 165 



Valenciennellus, 319 

 Valvata, 306 

 Variation, 177 

 Varying hare, 195 

 Vedominants, 238 

 Veinfluents, 241, 249 

 Venus, -Echinocardium association, 341, 

 342, 343, 349 

 gallina, 341 

 Verbascum thapsus, 52 



