410 



INDEX 



Tremex columha, 175, 176 

 Trichechidae, 366 

 Trichinella spiralis, 41 

 Trichinosis, 43 

 Tridacna gigas, 80 

 Tritonidse, 83 

 Tritons, 232 

 Trochelminthes, 46 

 Trochosphere, 68 

 Troglodytidse, 305 

 Trogon, 298 

 Tube-weavers, 106 

 Tubinares, 283 

 Tunicata, 192 

 Turbellaria, 34 

 Turdida;, 305 

 Turtles, box, 253 



sea, 252 



soft-shelled, 252 



tortoise-shelled, 252 

 Tylenchus tritici, 41 

 Tympanic membrane of insects, 123 

 Typhionectes, 229 

 Typhlomolge ralhhuni, 231 

 Typhlosole, 66 

 Tyrannida;, 301 



Uloborid^, 107 

 Ungulata, 329 

 Urochorda, 192 

 Urodela, 229 

 Urosalpinx cincrca, 83 

 Ursidai, 359 



Vacuole, 3 

 Vampires, 371 



Varanus, 248 

 Vertebrata, 195 

 Vespa, 182 

 Vespertilionidae, 371 

 Viceroy, 172 

 Viverridae, 365 

 Vorticella, 7 

 Vulpes, 361 



Walking-sticks, 137 

 Wallace, 388 

 Warblers, 304, 305 

 Warning colors, 118 

 Water birds, 281 



bugs, 142 

 Waxwing.s, 304 

 A\'casel, 360, 361 

 Weismann, 389 

 Whales, 326, 328 

 Whip-poor-will, 300 

 Whitman, 390, 391 

 Wild turkey, 292 

 Wolf, 362 

 \A'ombats, 322 

 Wrens, 305 



XiPHOSURA, 110 



Yellow-fever mosquito, 157 

 Yellow-jackets, 182 



Zygote, 385 



