Pachymeningitis, 274 Palliative treatment of cerebral and cerebellar tumours, 241 Palpebral hæmorrhage, 90 Parietal prominence, 4 Parieto-occipital fissure, 7 Parsons on the pupil in middle meningeal hæmorrhage, 143 Pathology of brain abscess, 251 tumours, 210 Paton on optic neuritis, 217, 218 Percussion of skull in fractures of vault, 112 Phelps on brain laceration, 160, 162 bullet-wounds, 304 middle meningeal hæmorrhage, 142 Pia-arachnoid hæmorrhage, 159 Pituitary tumours, 225, 243 Plating of skull in traumatic and other defects, 198 Pneumatoceles, 93, 108 Position of patient in head-operations, 12 Powell on traumatic insanity, &c., 202 Precautions against the development of shock, 11 Preparation of operative field, 13 Preparatory treatment, 10 Pringle on percussion of the skull, 112 Prognosis after decompression, 243 in brain abscess, 290 cavernous sinus thrombosis, 290 lateral sinus thrombosis, 290 meningitis, 290 Proptosis in basic and brain lesions, 90 cavernous sinus thrombosis, 289 orbital aneurysm, 206 Protection of gaps in the skull, 196 Pulsating exophthalmos, 205 Puncture of the ventricles, 61, 236 Punctured fractures, 132 Pupillary changes in middle meningeal hæmorrhage, 142 Radical treatment of cerebral and cerebellar tumours, 229, 237 Reading, cortical area concerned in, 9 Regional mortality in basic fractures, 133 brain tumours, 245 Reid’s base-line, 6 Remote effects of head-injury, 182 Results after operation on abscess of the brain, 290 alcohol injections for tic doloreux, 316 basic fractures, 133 brain tumours, 245 bullet-wounds, 304 Gasserian ganglion removal, 323 middle meningeal hæmorrhage, 147 subdural hæmorrhage, 158 traumatic epilepsy, 200 insanity, 201 Retinal hæmorrhages (Fleming on), 90 Retraction of the head and neck in cerebellar abscess, 260 tumours, 224 in meningitis, 280 Rivington on pulsating exophthalmos, 204 Rolando, fissure of, 6