THE SYMPATHETIC NERVE SYSTEM. 



609 



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FIG. 283. CERVICAL AND THORACIC PORTION OF THE SYMPATHETIC, i, i, i. Right pneumo, 

 gastric. 2. Glosso-pharyngeal. 3. Spinal accessory. 4. Divided trunk of the sublingual. 

 5> 5y 5- Chain of ganglia of the sympathetic. 6. Superior cervical ganglion. 7. Branches from 

 this ganglion to the carotid. 8. Nerve of Jacobson. 9. Two filaments from the facial, one to 

 the spheno-palatine and the other to the otic ganglion. 10. Motor oculi externus. u. Ophthal- 

 mic ganglion, receiving a motor filament from the motor oculi communis and a sensory filament 

 from the nasal branch of the fifth. 1 2 . Spheno-palatine ganglion. 13. Otic ganglion. 14. Lingual 

 branch of the fifth nerve. 15. Sub-maxillary ganglion. 16, 17. Superior laryngeal nerve. 18. 

 External laryngeal nerve. 19, 20. Recurrent laryngeal nerve. 21, 22, 23. Anterior branches 

 of the upper four cervical nerves, sending filaments to the superior cervical sympathetic gan- 

 glion. 24. Anterior branches of the fifth and sixth cervical nerves, sending filaments to the middle 



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