130 



COMPAKATIVE ANATOMY. 



He 



FIG. 104. THE ENTIRE NERVOUS SYSTEM OF TIII: Fu<><;. (After A. Eekr.) 



(From the ventral side. ) 



He, cerebral hemispheres (prosencephalon) ; Loji, optic lobes (mesencephalon) ; J/, 

 spinal cord ; Ml to M10, spinal nerves, which are connected at A.I/ by lnanchcs 

 (rami communicantes) with the ganglia (81 to 670) of the sympathetic (<V) ; .\'u, 

 femoral nerve ; Ni, sciatic nerve ; I to X, first to tenth cranial m-rvcs (for tlirir 

 names, see text) ; G, ganglia of the vagus ; /'</. Gasserian ganglion ; o, eye ; ^", 

 nasal sac ; Va to Vc, the different branches of the trigeminal ; /', facial nerve ; 

 Vs, connection of the sympathetic with the Gasserian ganglion ; XI to X4, the 

 different branches of the vagus. Some of the fibres of the sympathetic should 

 be shown accompanying the vagus peripherally. 



