382 



MANUAL OF ZOOLOGY 



SECT. 



or trochlear {path), and the sixth, or abducent, go to the 

 muscles of the eye; the fifth, or trigeminal (oph. V, mx. V, 

 mnd. V), to the snout and jaws ; the seventh, or facial (oph. 



sjy-co 



FIG. 228. Scyllium catulUS. Dissection of the brain and spinal nerves from the 

 dorsal surface. The right eye has been removed. The cut surfaces of the 

 cartilaginous skull and spinal column are dotted. The ophthalmicus profundus 

 and the buccal branch of the facial are not represented, cl. /-<:/. j, branchial 

 clefts; ^A^epiphysis; ext. rect^ external rectus irmsrle of *hp py^-paii: gi.~T>Ti. 

 jjlU^opharvngear, /tor. can\ horizontal semicircular canal; hy. mnd. V" 



mandibular portion ol tne iacial ; 



internal rectus muscle; fat, vttg, '. 

 -, . r . . i ,i 



divlBlOn ui Hii 1 in^eminal; 

 '6JTT. 



n, supei 



ophthalm 



lerior oblique muscle: int. 



if. ool, inlerior oDiique nms 

 teral brancn 01 vagus; mx 



_ v, maxillary 



"ulfuctory gap^ultj 1 ; olf~ s, "oir^t^fy gar; 

 tranches 01 trigeminal and laciaj; path. 



lourtTi nervel ff. Vll, palatine D ancn of Iacial; sp. co, spinal cord; spir, 

 spiracle; s. rect, superior rectus m scle; s. obi, superior oblique; vag, vagus; 

 vest, vestibule. (From Marshall and Hurst.) 



VII.pl. VII, hy. mnd. VII), to the palate, lower jaw, and 

 hyoid arch; the ninth, or glossopharyngeal (gl.ph), to the 



