Plate III.—THE CraniaL NERVES OF THE SKATE. (Ad nat.) 
te 
" ms e 
sea eo... \ Se, _— Ophthalm 
Olfactor: fae OL FACTORY Superfic 
Outer . po MAPSULE Ophthal. 
Buccal. * 5 a » Profur 
Mandibular» 3 
ms a ‘ea 
: | . 
Inner a Y é 
Buccal ‘ aut ao 
= [INT “MANDE » 
i! ge gReC" g 2 MUSCLE. 
‘ if ; 
Maxillary. My = ad 
Pre- = : / d —_ 
spiracular 3 id 
Ay 
: ma 
” : é lyoidean 
Bs be ane P "\Facial Proper. 
Palatine? Cae i ng 
ae a | Ye, “Internal Mandib 
5 ty 7 
Cut End of > se ‘R i 
Ophthalmics V. and VIL 3 Sree 
Optic Lobes. : 
Cerebellu “~~ Glossoph: 
a sopharyngeal. 
Medull 
~ ~ast Branchial. 
Neural Ridge— 
—~2nd " 
Lateral Ridge. 
_._Lateral Line. 
isceral. 
On the right the eye is seen 7” sitz with its muscles: the skin has been removed, 
exposing the mandibular muscle, and the olfactory capsule has been opened to show 
the olfactory lobe. The hyo-mandibular has been dissected out with its branches ; 
further back the jugular sinus has been cut open showing the glossopharyngeal and 
vagus. In the centre the roof of the cranium has been removed to expose the brain. 
ee ve the eye has been cut away showing the deeper nerves on the floor of 
the orbit. 
The v. or trigeminal nerve is red, the vii. or facial is blue. The x. or vagus is 
es | 
