Subject Index 



857 



Stomodeum, 6, 274, 275 



Storks, 545 



Stratified epithelium, 305 



Stratum corneum, 18, 19, 20, 56, 307, 463 



germinativum, 39 

 Streak, primitive, 263, 265, 266, 273 

 Striated muscles, 96, 100, 154, 156, 157, 

 182, 212, 213, 278, 287, 288, 312, 

 313 

 Strigiformes, 553 

 Stringops, 555 

 Structural axis, 136 

 Struthio, 544 



camelus, 445 

 Struthiomimus, 467 

 Struthioniformes, 544 

 Sturgeon, 55, 120, 121 

 Stylohyoid ligament, 99, 122, 607 

 Styloid process, 122, 607 

 Subcardinal veins, 73, 74 

 Subclavian arteries, 68, 70-72, 625, 626 



vein, 64, 66, 71, 73 

 Subclavius muscle, 519 

 Subcutaneous connective tissue, 18, 100 



muscles, 100, 581 

 Subdural spaces, 192 

 Subgerminal cavity, 250, 251 

 Subintestinal vein, 269 

 Sublingual ganglion, 176, 178, 179, 183 



glands, 636, 637, 638 

 Submaxillary ganglion, 176, 179, 183 



glands, 636, 637 

 Submucosa, 27, 28 

 Subopercular, 122, 126 

 Suborder, 390 

 Subphylum, 390 

 Subungulata, 781 

 Suidae, 755 

 Suina, 754, 755 

 Sulcus(i), 704 

 Supernumerary teats, 580 

 Supersonic vibrations, 698 

 Supinators, 96 

 Supra-angular, 126 

 Supracardinal veins, 71, 73 

 Supraoccipital, 107, 112, 124 

 Supraorbitals, 125 

 Suprapericardial bodies, 223, 224 

 Suprarenals (see Adrenals) 

 Suprascapula, 132 

 Suprasegmental structures, 720 

 Surangular, 126 

 Surface, importance of, 302 



digestive, increase of, 26-29 



pulmonary, increase of, 59 

 Survival of fittest, 817 



of man, 815 

 Sus, 755 



Suspensor of jaws, 127 

 Suspensory fibers of lens, 202 

 Suspensorv ligament, of lens, 202, 203, 

 683 



of liver, 22 

 Swallowing, 213, 615 

 Swallows, 553 



Swans, 546 



Sweat glands, 155, 184, 574 



Swifts, 551, 553 



Swim-bladders (air-bladders), 276, 425, 



427, 428, 433 

 Swimming, adaptation for, 369 

 Swine, 622 

 Swordfish, 55 

 Sylvius, aqueduct of. 151 



fissure of, 706 

 Symmetry, 12-16 



bilateral, 12 



departures from bilateral, 13-16 



functional modification of, 14 



of median organs, 13 



of paired organs, 13 

 Sympathetic ganglions, 143, 171, 177, 272 



nerve fibers, 178 



neurons, 174 



system, 159, 175, 218 (see alx<> Auto- 

 nomic system, thoracolumbar) 

 Sympathin, 190, 191, 218 

 Symphysis, 130, 514 

 Symplectic, 127 

 Synapse, 142, 182 

 Synapsid skull, 501, 502, 600 

 Synsacrum, 515 

 Svnotus, 738 

 Syrinx. 525, 526, 527 



Tachyglossus, 733 

 Tactile cells, 193, 194 

 Tadpoles, 57, 105, 134, 239, 442. 444 

 Tail(s), 16, 17, 133, 135, 173, 175. 287, 288. 

 442 



bird's, 515 



fish, 134-136, 423 



of mammals, 594, 595 



prehensile, 595 

 Tail-fin, in amphibians, 448 

 Talpa, 736 

 Tamandua, 743 



tetradactyla, 744 

 Tapetum cellulosum, 682 



fibrosum, 682 



lucidum, 681 

 Tapir, 752, 753 

 Tapiridae, 752 

 Tapirus, 753 

 Tarsal (s;, 107, 133 



glands, 203, 685 

 Tarsiodea, 770 

 Tarsius, 768, 770 

 Tarso-metatarsus, 512, 513 

 Tarsus, 131, 132, 685 

 Taste, 195, 214, 419, 679 



bud(s), 196, 197, 198, 214, 309, 670, 672 



organs of, 195-198, 670, 671 

 Taungs skull, 771 

 Tautog, 55 

 Tear(s), 687 



glands (lacrimal glands), 183, 185, 206, 

 577, 686 



