O. Olfactory lobe of brain, 85 sense organs, 72 Oxygen, 11, 13, 25, 82, 95 P. Pain, 91 Pancreas, 24 Paramœcium, 16 Peptone, 24 Perilymph, 74 Peristaltic movements, 24, 63, 95 Physical culture, 98, 101 Physiological methods, 37, 88, 109 Physiology, ix, 107 Pleasure, 91 Pressure, blood, 50, 66 Proteids, 12, 23, 96 Protoplasm (living matter), 1 Pulmonary circulation, 53 R. Reflex action, 62, 65 centres, 82 Removal of refuse, 27 Rennet, 21, 24 Respiration, 25, 52, 82 Ribs, 52 Rigor mortis, 104 Rutherford’s fibrils, 35 S. St. Martin, 25 Saliva, 22 Salt, 11, 14, 29 Scavengers of body, 43 Sea-sickness, 78 Secretion, 21 internal, 29 reflex control of, 66 Semicircular canals, 77 Shivering, 83 Sight, 73, 100 Skin, 69 Sleep, 102 Smell, 72, 84 Sneeze, 65 Sound, 76 Speech, 93 Spinal cord, 63, 78 Spirits, 95 Spleen, 27, 54 Standing, 66, 84 Starch, 14, 96 Stomach, 23, 47 Sugar, 14, 96, 102 Sympathetic nervous system, 62 T. Taste, 72, 84 Tear glands, 65 Temperature, 83 Tendon, 37 Tetanus, 39 Thorax, 52 Thought, 91 Thyroid gland, 29 Trachea, 52 Training, 98 U. Unicellular animals, 5, 8, 16, 31, 102, 105 V. Valves of heart, 48, 50 Varieties of protoplasm, 6 Vegetable food, 96 Veins, 48 Ventricles, 49 Veratria, 40 Vision, 73 Voluntary movement, 56 muscle, 34, 56 W. Walking, 66, 84 Warmth, 83 Water, 95 _Ballière, Tindall and Cox, 8, Henrietta Street, Strand_