314 S. W. RANSON AND P. R. BILLINGSLEY 
G/ and./ac. 
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Neil.lon : vA Nophthalm. 
ib Gueil aif 7 sblexcawern. 
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are 20 
Fig. 1 Diagram representing the arrangement of the more important tho- 
racicolumbar autonomic pathways to the head in man. The preganglionic fibers 
are indicated by solid lines. The cells of the postganglionic neurones are 
located in the superior cervical ganglion and their fibers are indicated by dotted 
lines. 1, Postganglionic fibers to sweat glands of the face; 2 and 3, to the mu- 
cous membrane of the nose; 4, N. cardiacus superior; 5, Rr. laryngopharyngel; 
6, branch to the N. hypoglossus; 7, branch to the N. vagus; 8, n. caroticus internus; 
9, branch to the N. glossopharyngeus; 10, 11, 12, 13, Rami communicantes (gray) 
to Nn. cervicales I, II, III, and IV. 
