FISHES 



similar branch of VII. Internal to the mandi- 

 bular branch lies the ganghonated ophthalmicus 

 profundus, which sends branches to the eyeball, 

 snoiit, &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. 



mx., Maxillarj' of V. ; ?««., mandibular of V. ; /«., ophttialmicus 

 profundu.s; j.ff., .superficial ophthalmic of V.; s.«'., superficial ophthal- 

 mic ofVII.; V.,VII.,Vin., IX., X., these nerves: 1-5., gill clefts ; 

 o.L, optic lobes ; Cb., cerebellum ; .N'., nostril : c., eye;'. 1/7 muscles 

 of jaws; J/., spiracle; ii., ear; in.o., medulla oblongata; Br i> 

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



