Hypnotics, 12, 42 Hypodermic medication, 12, 42 I Impurities of anæsthetics, 74, 109, 122 Infiltration analgesia, 175 Inhalers, Clover, 78 Clarke, 68 Guy, 128 Guy-Ross, 130 Hewitt, 50, 62, 81 Junker’s, 115 Ormsby, 81 Paterson, 58 Rendle, 135 Inhibition, vagal, 111, 143 Intestinal obstruction, 141, 189 Intranasal surgery, 160, 166, 192 Intratracheal method, 96 Kelly’s instrument for, 100 Shipway’s, 101 Inversion, Leonard Hill’s experiments upon, 110, 111 J Jactitations, 53 Jaundice, 154 Jaws, clenching of, 15, 26 falling back of, 16 operations upon, 166 management of, in anæsthesia, 23, 85 Joints, anæsthesia in dislocation of, 164 Junker’s inhaler, 115 K Kidney, position for operations upon, 168 Kelly’s intratracheal instrument, 100 L Labour, anæsthesia in, 44, 169 Lane, Sir Arbuthnott, 14 Laryngeal stridor, 16, 20, 26, 40, 169 Levy, Goodman, 112, 145 Light anæsthesia, dangers of, in chloroform, 9, 112 Levy’s views, 113 Light reflex, 32 Local anæsthesia, 170 _et seq._ Lowering of head and shoulders, 110, 145 Lumbar puncture, site for, 196 Lungs, ventilation of, by normal breathing, 96 by intratracheal method, 97 Lymphatism, 148 M Malcolm, J. D., 9 Marshall, Dr Geoffrey, 70 Masks for chloroform, 110 for ether, 82 for perhalation method, 28 Massage of heart, 148 Mechanical asphyxia, 15 Meltzer and Auer, on intratracheal method, 96 Menstruation, 169 Micturition before nitrous oxide, 51 Mixtures, C. E., 84, 134, 137 of nitrous oxide and oxygen, 60 of nitrous oxide and ethyl chloride, 128 Morphine, 12, 43, 152 Mouth, breathing through, 22 Mouth, operations upon, 165 Mouth props, 22 Mucus in air passages, 40 Musculo-spiral paralysis, 157 Muscles in anæsthesia, ix, 3, 19, 34 Muscle tone, 3, 19, 53 N Nasal breathing, 23, 166 Naso-pharyngeal catarrh, 151 Nasal methods of giving nitrous oxide, 57 Nasal tube for Junker’s bottle, 119 Neck, position of, 20 relaxation of muscles of, 21 posture for operation upon, 159 tumours and inflammatory swellings in, 7, 166 Nephritis, influence of, upon choice of anæsthetics, 77, 168 Nervous system, effects of anæsthetics upon, 2, 75 Nerves, peripheral, unaffected by anæsthetics, 3 Nerve blocking, 12, 179 Night-crowing, 148 Nitrous oxide, 46 with air, 54 with ether, 138 with ethyl chloride, 128 nasal, 57 physiology of, 46 contra-indications to, 56