Vitus' dance, 169 Sugar, 60 Varieties, 60 Sources of, 61 Sun-bath, 50 Sympathetic system of nerves, 158 Synovia, 20 Systole of the heart, 111 T. Taste, Association of, 190 Education of, 191 Organ of, 188 Sense of, 189 Tea, Effect of, 76 Kinds of, 76 Tears, 201 Escape of the, 201 Teeth, 82 Temporary set of, 82 Permanent set of, 83 Bicuspid, 83 Canine, 83 Incisor, 83 Molar, 84 Arrangement of, 85 of different animals, 85 Preservation of, 85 Temperature of the body, 146 Extremes of, 146 Sensations of, 187 Tendon of Achilles, 27 Tendons, 27 Tetanus, 169 Thermal, 50 Thermæ sense, 187 Thirst, 65 Thoracic duct, 97 Thorax, 19 Thyroid cartilage, 229 Tissues, intimate structure of the, 236 Human, 244 of the lower animals, 245 Tongue, 188 Nerves of, 189 Sensibility, 189 Touch, Delicacy of, 186 Organs of, 183 Sense of, 184 Trachea, 125 Transfusion, 106 Trichina spiralis, 71 Trunk, 19 Tympanum of the ear, 219 Membrane of, 219 V.