INDEX 



401 



squid, 106, 107 

 squirrels, 216 

 starfishes, 108-110 

 Stegomyia, 48 

 sternum, 188, 274, 290 

 stimulants, 256 

 sting. 60 

 sting-rays, 165 

 stirrup, 310 

 Stockard, C. R., 383 

 stomach, of grasshopper, 6 



of clam, 100, 101 



of crayfish, 87 



of man, 248, 249, 254 



of starfish, 109, no 

 stone flies, 70, 73 

 sturgeon, 166 



subesophageal ganglia, in crayfish, 

 88 



in grasshopper, 8, 9 



of clam, 99-101 

 Sullivan, Dr., 313 

 sulphur, 234, 236, 238 

 sunfish, 158 

 suprarenal bodies, 281 

 swimming bladder, 160 

 symbiosis, 133, 366, 367 

 sympathetic system, 296 

 synovial membrane, 287 

 systemic circulation, 263 



Tabanidae, 44 



Tachinidae, 44 



Tania solium, 127, 128 



tail, 184, 185, 195, 196 



tail fin, 158 



tapeworm, 126-129 



tarsals, 291 



tarsus, 4 



taste buds, 305 



tea, 257 



teeth, 177, 247, 248, 346 



Teleostomi, 164, 166 



teleosts, 167 



telson, 84, 85 



tendons, 243, 291, 292 



tentacles, 103, 130, 132, 134, 135 



testes, 9, 10 



Texas fever, 82, 148, 317 



thoracic duct, 266 



thorax, of crab, 91 



of crayfish, 84-88 



of grasshopper, 2, 4 

 thyroid extract, 281 

 thyroid gland, 281 

 tibia, of grasshopper, 4 



of man, 290 

 ticks, 81, 82, 149 

 tigers, 223 



tissues, 240, 241-244 

 toads, 169, 171, 173-175 

 tobacco, 257, 268, 3i4~3 l6 

 tonsils, 267 

 torpedo, 166 

 tortoise, 176, 181, 182 

 touch, 3, 304 

 toxin, 326 

 trachea, 272 

 tracheae, 5, 77 

 tracheal gills, 72 

 tree frogs, 174, 175 

 Trematodes, 124-126 

 Trichina, 122, 123 

 Trichinella spiralis> 122, 123 

 trichinosis, 317 

 Triton, 170 

 trypanosomes, 146 

 trypsin, 251 

 tsetse-fly, 146 

 tube feet, 108, 109, 112 

 tuberculosis, 314, 322-324, 377 

 tunicates, iS^iSS, 334 

 Turbellaria, 124 

 turtles, 176, 181, 182 

 tympanic membrane, 309 

 typhoid fever, 324-326, 328, 329 



