MASON’S gag, 109 method for relieving tension of united velum, 149 modification in osteoplasty, 133 teat for infants with cleft palate, 67 Maternal impression or shock, 24 Mechanical and manual after-treatment of harelip operations, 148 Median harelip, 12 cerebral malformations in, 14 cranial defects in, 14 morphological cause of, 58 with intermaxilla absent, 12 with intermaxillary cleft, 14 Mental development in relation to shape of palate, 33 Mesognathion, 45 in alveolar harelip, 49 MIRAULT, operation for unilateral harelip, 89 Mouth, development of, 36 Muscles of soft palate, 28 division of, in staphyloraphy, 125, 126 N. Nasal twang in cleft palate, 69 causes of persistence of, after operation, 150 Needles for palate operations, 112 NÉLATON’S operation for unilateral harelip, 86 use of, for recurrent V-notches, 147 NESBITT on palatal sutures, 45 Nipple-shield for infants with cleft palate, 68 Nose, development of, 39 shape of, in harelip, 3 shape of, in harelip, cause of, 61 shape of, in median harelip, 13, 14 Nutrition, difficulty of, in cleft palate, 67 O. Obturators, arguments in favour of, 143 characters of recent, 141 definition of, 139 for acquired apertures, 144 objections to, 144 review of history of, 140 use of, 144 Operative treatment by facial flaps, 137 of acquired apertures of palate, unsatisfactory character of, 156 Operative treatment of cleft palate— after-complications, 129 after-treatment, 127 anæsthesia, 105 anterior part of cleft, treatment of, 135 assistant’s duties, 107 condition of palate after, 151 education of patient after, 150 facial flaps employed for, 137 hæmorrhage in, immediate, 117, 126 secondary, 132 history of, 115 instruments for, 108 osteoplasty, 133 period for, 101 position of patient in, 104 preparation of patient, 103 shape of palate after, 151 staphyloraphy, 126 superiority of, to mechanical appliances, 144 sutures, materials employed for, 113 methods of passing, 121, 123 period for removal of, 129 typical result, 149 uranoplasty, 115 Operative treatment of harelip— after-treatment, 85 anæsthesia, 77 detachment of lip from maxilla, 78 dressing employed, 84 effect of, on width of palatal cleft, 73 feeding of infant after, 76, 85 formation of prolabium, 79 Hainsby’s truss, 84 lip compressors in, 80 period for, 72 pins, use of, in, 81 position of patient, 77 preparation for, 76 prevention of V-notch, 79 stages of, 77 statistics of, 74 suturing lip, method of, 83 typical result, 79, 146 V-notch after, 147 Operative treatment of double harelip (_see_ Harelip, operations for double)— of labial tissues, 98 of os incisivum (_q. v._), 92 usual result of, 147