iv contents. 



Section S, — The Sympathetic Nervous System. ... 216 



Siimmary of Section 8 225 



Section 9. — The Eye-muscle Nerves 225 



I. — The Eye-Muscles 225 



II,— The N. Abducens 228 



III. — The N. Trochlearis 229 



IV. — The N. Oculomotorius 230 



V. — Critique of the Eye-rauscle Nerves 233 



VI. — Summary of Section 9 237 



Section 10. — The Optic Nerve 238 



Section ii. — The Olfactory Nerve and Nasal 



Organ 239 



Section 12. — General Considerations 241 



I. — The Ramus Lateralis Accessorius 241 



II. — Metamerism 251 



III. — The Usurpation of Nerves , . 259 



1 V. — iimbryolcgical Problems .-.,...,...,..,.....,.,.,, 261 



Section 13. — Conclusions 263 



I. — General , 263 



II. — Recapitulation of the Nerves 267 



I. — The Spinal Nerves. 267 



2.— The Vagus 268 



3. — The Glossopharjmgeus 269 



4. — The Auditory Nerve 269 



5. — The Facialis 270 



6. — The Abducens, 271 



7, — The Trigeminus 271 



8. — The Trochlearis 271 



9. — The Oculomotorius , 272 



III. — Review of the Cranial Components 272 



1. — The General Cutaneous System 272 



2. — The Acusticolateral System 273 



3. — The Communis System 274 



4. — The Motor Components 274 



IV. — Special Results 277 



The Literature Cited 279 



Description of Figures 289 



