NEUROLOGY NERVOUS SYSTEM 264 Cranial Nerves 265 Olfactorius 265 Opticus 267 Motoris Oculi 267 Patheticus 268 Trifacialis 268 Abducentes 270 Facialis and Acousticus 271 Vagus Group 272 Glosso-pharyngeus 272 Vagus or Pneumogastricus 273 Accessorius Spinalis 274 Hypoglossus 274 Spinal Cord 275 Structure of the Cord 275 Structure of the Nerve Trunks and Ganglia 277 Spinal Nerves 281 Brachial Plexus 282 Lumbo-sacral or Crural Plexus 285 Brain 288 Coverings of the Brain 288 Structure of the Brain 289 Divisions of the Brain 290 Sympathetic Nervous System 297 Functions of the Nervous System 300 ESTHESIOLOGY SENSE ORGANS 303 Sight 303 Hearing 305 Smell 307 Taste 307 Touch 307 STRUCTURE OF APPENDAGES 309