578 



INDEX 



Spireme, 501 



Spleen, 460 



Sponge, 50 



Sponge fisheries, 52 



Sponges, characteristics, 47; classification, 



47; pigment of, 48; symmetry of, 48 

 Spongilla, 50 



Spontaneous generation, I 

 Spoonbill, 341 

 Sporocysts, 75 

 Spotted salamander, 268 

 Squamata, 309 

 Squash bug, 184 

 Squirrel monkey, 412 

 Squirrels, 390 

 Stalked barnacles, 172 

 Starfish, 131 

 Star-nosed mole, 378 

 Static sense, 476 

 Statistics of vitality, 480 

 Statoblasts, 49, 50 

 Steganopodes, 339 

 Stegocephalia, 300 

 Stegomyia fasciata, 192 

 Steinach, 444 

 Steller's sea-cow, 409 

 Sterilization, 545 

 Stewart, 139 

 Sticklebacks, 246 

 Stigmata, 183 

 Stiles, and hookworm, 93 

 Stirps, 518 

 Stockard, 54I 

 Stomach, 430 

 Stomach-intestine, 109 

 Stomach poisons, 199 

 Stone flies, 179 

 Storks, 340 

 Stough, 115 

 Stratum corneum, 427 

 Stratum malpighi, 427 

 Striated muscle, 427 

 Stridulation, in fishes, 253 

 Strong, O. S., 289 

 Strong, R. M., 357 

 Strongylidae, 92 

 Structure of the cell, 4-7 

 Structure of the neuron, 473 



Stunkard, 78, 483 



Sturgeon, 24I 



Sturtevant, A., 538 



Suberites domuncula, 52 



Subneural gland, 212 



Suctoria, 30 



Sulphur, 9, 438 



Sulphur-bottom whale, 410 



Sumner, 542 



Sun bitterns, 34I 



Sundwall, 495 



Superheating flour mill insects, 200 



Suprarenals, 446 



Surinam toad, 269 



Surra, 29 



Susceptibility of birds to poison, 365 



Susceptibility of mammals to poison, 480 



Susceptibility of snakes to poison, 329 



Swallow, 354 



Swans, 339 



Sweat glands, 427 



Swift, 311 



Swingle, 447 



Swordfish, 249 



Symbiosis, 482 



Symbiosis between termites and protozoa, 



29 

 Symbiosis of Radiolaria, 26 

 Sympathetic nervous system, 473 

 Synapsis, 504, 505 

 Synapta, 137 

 Synura uvella, 28 

 Syrinx, 362 

 Syrphus fly, 193 



TABLE OF CEREBRAL NERVES, 



470-472 

 Table of longevity, 496 

 Table of respiration rates, 461 

 Taenia solium, 78 

 Tails of fishes, 255 

 Takamine, 447 

 Tamandua, 396 

 Tapirs, 399 

 Tardigrada, 204 

 Tarpon, 242 

 Tarsi er, 412 

 Tasmanian marsupials, 376 



