484 FISHES 



similar branch of VII. Internal to the mandi- 

 bular branch lies the ganglionated ophthalmicus 

 profundus, which sends branches to the eyeball, 

 snout, &c., and is referred by some to III., by 

 others to V., and is regarded by others as an 

 independent nerve. 



FIG. 157. Dissection of nerves of Skate. 



nix., Maxillary of V. ; inn., mandibular of V. ; pn., ophthalmicus 

 profundus; s.o., superficial ophthalmic of V.; s.0 1 ., superficial ophthal- 

 mic of VII.; V., VII., VIII., IX., X., these nerves; 1-5., gill clefts ; 

 #./., optic lobes ; Cb., cerebellum ; N., nostril ; e., eye ; M., muscles 

 of jaws; sp., spiracle; E., ear; m.o., medulla oblongata; Br.p. 

 brachial plexus; I., II., III., IV., VI., VII., these nerves. 



