Subject Index 



859 



Tissue(s) — (Continued) 



nephrogenic, 86 



nervous, 316-320 



nonepithelial, 311 



reticular, 321 



skeletal, 322-327 

 Toad(s), 56, 57, 229, 239, 240, 454-456, 

 457, 458 



metamorphosis of, 457 



tree, 458 

 Toe, great (hallux), 131, 132, 514 

 Tomes, fiber of, 38, 39 

 Tongue, 14, 99, 166, 198, 46S, 671 

 Toothed whales, 765, 766 

 Tornaria, 396 



Torpedo (electric ray), 439, 440, 441 

 Tortoises, 56, 493, 496, 497 



giant, 497 

 Totanus, 550 

 Toucans, 551, 553 

 Touch, 193 

 Trabecula, 66 

 Trachea (windpipe), 59, 60, 167, 198, 276, 



519, 610, 613 

 Tracts, association-, 717 



corticospinal, 170 



feather, 508 



fiber, 153, 708 



motor, 154 



projection-, 717 



pyramidal, 171 



rubrospinal, 170 



sensory, 153 



spinocerebellar, 170 



tectospinal, 170 



vestibulospinal, 170 

 Tragulina, 757 

 Tragulus, 753, 757 

 Transcendentalism, 340, 348 

 Transverse muscles, 588, 652 



planes, 12 



process, 108 

 Transversospinales, 591, 592 

 Trapezius muscles, 92, 95, 99, 168, 583 

 Tree frogs, 458 



shrew, 736, 783 



sloths, 743 



toads, 458 

 Triangular muscles, 98 

 Triassic, 564, 566, 567, 789 

 Triceps muscles, 92, 94 

 Triceratops, 499 

 Trichechus, 763 

 Triconodont, 45 

 Tricuspid valve, 622 

 Trigeminal nerves, 42, 161, 164 

 Trionyx, 469 

 Tritubercular, 45 

 Trituberculata, 773 

 Triturus, 452 

 Trochlea, 685 

 Trochlear chiasma, 164 



nerves, 100, 163, 164 

 Trogoniformes, 553 

 Trogons, 551, 553 



Trophoblast, 264, 265 

 Tropibasic skull, 517, 600 

 Trout, 419 



Truncus arteriosus, 65 

 Trunk, 16, 17 



aortic, 625, 629 



cochlear, of eighth cranial nerve, 715 



double-tubular structure of, 23, 154, 155 



of elephant, 679, 7(il 



of mammals, muscles and skeleton, 

 583-591 



muscles, 90, 473, 587 



pulmonary, 625 



vestibular, of eighth cranial nerve, 715 

 Tube(s), alimentary (see Alimentary tube* 



of body (double-tubular structure) 23, 

 154, 155, 156, 158 



cochlear, 689, 691, 693 



digestive (see Digestive tube) 



Eustachian, 199, 477, 693 



neural (see Neural tube) 



uterine, 646 

 Tubercles, 53 

 Tubular glands, 310, 311 



lungs, 620 

 Tubule(s), collecting, 80, 82, 86 



convoluted, 86 



excretory, 79, 82, 86, 87 



hepatic, 31 



longitudinal, of testis, 80 



mesonephric, 81, 82, 85, 280, 283 



metanephric, 85 



pronephric, 81, 277, 280 



renal, 80, 81, 87, 278, 279 



seminiferous, 283 

 Tubulidentata, 745-747, 778 

 Tunica vaginalis, 651 

 Tunicates, 231, 396 

 Tunicin, 397 

 Tupaia, 736 

 Turbinals, 673-676 

 Turdus, 526 

 Turkey (s), 529, 546 



Turtles, 55, 60, 101, 132, 240, 251, 469, 

 493, 494, 495, 496, 497, 563, 619, 

 657 



sea, 493, 496 

 Tusks, 13, 44, 46, (of walrus), 750 

 Tylopoda, 755, 757 

 Tympanic bone(s), 692, 696 



cavity, 477, 693-696 



membrane, 477, 534, 693 

 Tympaniform membranes, 526 

 Tyrannosaurus, 499 



U 



Udder, 578 

 Ulna, 107, 131 



Ultimobranchial bodies, 223, 224 

 Umbilical cord, 294, 295 



stalk, 293 

 Umbilicus, 293 

 Uncinate process, 518 



Ungulates, 293, 294, 571, 605, 750-761 

 778 



