722 



INDEX 



Sublingual duct, 516 



gland, 516 

 Submaxillary duct, 516 



gland, 516 

 Submucosa, 518 

 Suborder, 8 

 Subphylum, 8 



Subscapular vein, 337, 338 

 Subspecies, 8 

 Subterrestrial animals, 6 

 Subumbrella, 118, 120 

 Succession, ecologic, 642, 643 

 Sucker, 140, 141, 144, 186, 294, 

 296, 595, 637 



oral, 140, 143 



ventral, 140, 143 

 Sucking, insects, 259 



lice, 260 



stomach, 269 

 Sucrose, 519 

 Suctoria, 66 



Suctorial mouth parts, 247 

 Sugar diabetes, 554 

 Sulci, brain, 547 

 Sulfur-bottom whale, 486 

 Summer eggs, 165 

 Sunfish, 317 

 Superficial cleavage, 82 

 Superior vena cava^ 532, 533 

 Superposition image, 2ll 

 Supersonic sound, 483 

 Supporting cell, 107, 179 



layer, 105 



nucleus, 107 

 Suprabranchial chamber, 286, 287 

 Supraoccipital, 466 

 Suprascapula, 343, 345, 346 

 Surface communities, 646 

 Surinam toad, 397, 399 

 Surra, 74 



Survival of the fittest, 609 

 Sus, 491 



Suspensory ligament, 550 

 Suture, 230, 502 

 Swallow, 462 



tail, 265 



tailed kite, 453 

 Swans, 452, 461 

 Sweat gland, 329, 538 

 Swift, 414, 462 

 Swimmeret, crayfish, 200, 201, 



202, 205 

 Swimming bird, 446 

 Sycon, 94, 96 

 Syconosa, 101 

 Sylviidae, 462 

 Symbiosis, 636 



Symbiotic environment, 631, 632 

 Symmetry, 88 



asymmetry, 88 



bilateral, 88, 134, 197 



biradial, 130 



radial, 88, 102 



spherical, 88 



Symmetry (Cont.) : 



universal, 88 

 Sympathetic nervous system, 353 

 Sympathin, 555 

 Sympheidole, 648 

 Synapse, 352 

 Synapsis, 556, 574 

 Synbranchiida, 395 

 Syncytium, 90, 152 

 Synderella, 639 

 Synecology, 633 

 Syngamus, 194 

 Syngnathidae, 379 

 Synovial fluid, 503 



membrane, 503 

 Synura, 74, 75 

 Syrinx, 441, 447 

 Syrphidae, 265 

 Systems of organs, 174 



Tabanidae, 265 

 Tachinid flies, 265 

 Tachyglossiis, 495 

 Tactile hair, 231 



nerve, 177 



receptors, 547 

 Tadpole, 358, 399 

 Taenia, cattle, 147 



dog, 146 



pig, 141, 144, 147 

 Tail, bird, 444 



fin, 368 



fish, 386, 387 

 Tailbone, 501 

 Tail-wagging dance, 252 

 Tamias, 485 

 Tanagers, 462 

 Tapeworm, 141, 144 



cattle, 147 



dog, 146 



pork, 141 

 Tapir, 484, 487 

 Tapirella, 484, 496 

 Tarantula, 273, 276, 277 

 Tardigrada, 268, 279 

 Tarentola, 430 

 Tarpon, 393, 395 

 Tarsals, 343, 346, 501 

 Tarsiers, 488, 495 

 Tarsioidea, 495 

 Tarsius, 495 

 Tarsometatarsus, 437 

 Tarsus, 231, 233, 245 

 Taste, 355, 548 



bud, 548 



hair, 548 



papilla, 548 



pore, 548 

 Tautara, 413 

 Taxodonta, 282, 301 

 Taxonomy, 10 

 Tearing bird, 446 



Teeth, chitinous, 190 



crown, 475 



dog, 475 



frog, 332 



mammals, 474, 4 ^ 



man, 516 



neck, 475 



Peripatus, 224 



root, 475 

 Tegeticula, 639, 640 

 Telegony, 597 

 Telencephalon, 372 

 Teleosteica, 379, 395 

 Telophase, 25, 26, 27, 28 

 Telosporidia, 53 

 Telson, 200, 201, 202, 274 

 Temperature, 630 



reaction to, 38 



regulation, 329 

 Temporal, 347, 500, 502 



lobe, 546 

 Temporalis, 467 

 Tendipedidae, 265 

 Tendon, 85, 346 



of Achilles, 347, 348 

 Tenebrionidae, 264 

 Tensor fascia lata, 467, 505 

 Tentacles, 106, 111, 118, 119, 

 120, 122, 123, 130, 131, 166, 

 183, 184, 186, 296 



cephalic, 188 



oral, 318 



peristomial, 184 



retractile, 131 

 Tentacular bulb, 120 



pouch, 131 

 Tentaculocyst, 121 

 Tenthredinidae, 265 

 Teredo, 298, 299, 301 

 Tergum, 199, 233 

 Terminal nerve, 352 

 Termite, 229, 253, 260 



activities, 253 



castes, 253 



intestinal flagellates, 639 



king, 253, 254 



nymph, 253 



queen, 253, 254 



soldier, 253, 254 



worker, 253, 254 

 Termopsis, 639 

 Terns, 452, 461 

 Terrapene, 413 

 Terrapin, 429 

 Terrestrial animals, 6, 646 



communities, 646 



environment, 632 



habitats, 631, 646 



insects, 263 

 Tertiary period, 617 

 Test, 309 

 Testacella, 301 

 Testis, Ascaris, 151 



centipede, 226 



