[[lj Ganglia. 



p | Somatic sensory nerves. 



Lateral line and VIII 

 nerves. 



Visceral sensory nerves. 



D Lat 

 nerves. 



Visceral motor nerves. 

 Somatic motor nerves. 



nasal 



buc.VII, ramus buccalis VII. 



cht. VII, chorda tympani VII. 



cil.a, anterior ciliary nerve. 



oil. p., posteror ciliary nerves. 



dors.X, ramus dorsalis X. 



hybr. (occ. l + 2,sp.l, 2, 3), nervus hypo- 



branchialis. 

 hy. VII, ramus hyoideus VII. 



II, nervus opticus. 



III, nervus oculomotorius. 



IV, nervus trochlearis. 



IXr, roots of glossopharyngeus. 



ABB 



lat.X, ramus lateralis X. 



max. V, ramus maxillaris V. 



mde. VII, ramus mandibularis externus VI 



mdi. VII, ramus mandibularis internus VI 



md. V, ramus mandibularis V. 



n. term, nervus terminalis. 



occ. 1+2, occipital nerves. 



op.V, ramus ophthalmicus profundus V. 



os. V, ramus ophthalmicus superficialis V. 



os. VII, ramus ophthalmicus superncialis^ 



pal. VII, ramus palatinus VII. 



ph. IX, ramus pharyngeus IX. 



FIG. 5 A. Distribution of the nerve components in Squalus acanthias, seen from 

 broken lines. The functional composition of the nerves is 



24 



