190G.] 



NERVES OF CULAMYDOSELACHUS AXGUINEUS. 



991 



II. + M.— The common trunk of the ramus liyoideus and ramus internus 

 mandibularis VII. 

 Hy.— Hypophysis. 

 I. (A, B, C). — The three principal rami uitestmales. 



I.H.— The cardiac Inaiu^i of the ramus intcstinalis. 

 I.M.VI1. — R. internus iiiandihuhiris VII. 

 I.O. — ^Inferior oblique muscle. 

 I.O.L. — Infra-orbital lateral line canal. 

 L.I. — Lobi inferiores. 

 Lin. Lat.— Linm laterales or restiforin body. 

 L.L. — Main lateral line canal. 



L.N. — Locy's nerve. ■,, i ^ f 



Mxb.— Branch of the maxillaris which becomes united with a brancli ot 

 the huccalis. i p ii 



Mxb. b.— Two fine nerves which appear to originate trora a branch ot the 

 buccalis, but which are composed of general cutaneous hbres 

 which have come from Mxb. 

 O.S.— Olfactory stalk. 

 Oc. 1,2,3. — Kirst three spino-occipital nerves. 

 Op. L. — Optic lobes. 

 Op. S.— Optic stalk or " cartilago-sustentaculum ocuh. 



P. — Palatine branches of the facialis. 

 P.B.A. — Postero-buccal ampulUw. 

 P.I. — Pars intermedia. 

 Pr. F. — Pre-trematic facialis. 

 Pr. P. (ch.).— The chorda tyuipani. . ^ -rxr , ^ ^ 



Pr. & Pt. — The pre- and post-trematic rami ot IX. and ot tlie vagus. 

 Pro. — Profundus branch of V. 

 Pros. — Prosencephalon. 

 Pt. F. — Post-trematic facialis. 

 R.V. — Root of nervus trigeminus. 

 R.C. — Ramus communicans. 

 R.Ext.A & B.— Two parts of the rectus externus. 

 R.H. — Ramus hyoideus VII. 

 R. In. — Rectus internus muscle. 

 R. Inf. — Rectus inferior muscle. 

 R. Man. V. —Ramus mandibularis V. 



R.Max.^Raraus maxillaris V. tj rv n 



R.O.— Ramus oticus with cutaneous branches K.U.O. 

 R.S. — Rectus superior muscle. 

 S (1 2 3 4,5, 6,7,8).— The first eight spinal nerves. 

 ' s.'h'. (1,2).— The two branches which make up the hypoglossal nerve. 

 S.O. — Occipito-spinal riband. 

 S. Ob. — Superior oblique muscle. 

 S.O .A . —Supra-orbital ampulla; . 

 S.O.L. — Supra-orbital lateral line canal. 

 S. Op. v.— Superficialis ophthalmicus V. 

 S. Op. VII.— Superticialis oiihthalmicus VII. 

 S.V. — Sacci vasculosi. 

 T. H. — Truncus hyomandibularis. 

 V (1 2 3 4 5 6).— The six branchial branches of the vagus. 

 V'.5 '+ V.'e.— The nerve produced by union of the post-trematic ot vagus V. 

 and part of vagus VI. 

 V.G. — Visceralis branch of IX. 

 Vis. — Visceralis branches of the vagus. 

 III. — Oculo-motor nerve. 

 IV. — Fourth nerve. 

 V. — The Gasserian ganglion. 

 V. + VII.— The united Gasserian and buccalis ganglia. 

 VII. b.--Ramus buccalis. 



Vll.h.— Truncus hyomandibularis. . • , ■ c ^.^ 



VIII. VIII. A, VIII. B.— The ganglion and the two principal rami ot tue 

 eighth nerve. 

 IX., IX. g.— The glossopharyngeal nerve and its ganglion. 

 X., X.g. — The vagus nerve and its composite ganglion. 

 X. i&X. B.— Dorsal branches of the vagus to neuromasts. 



