292 NERVE COMPONENTS OF BONY FISHES. 



m. lev. Op. — branch of r. opercularis profundus VII for m. levator 

 operculi. 



tn. lev. p. — m. levator arcus palatini. 



tn. I. op. — m. levator operculi. 



m. n. V. — motor nucleus of the trigeminus. 



in. n. VI — motor nucleus of the abducens. 



m. n. F//^motor nucleus of the facialis. 



mn. I. to 71111. 5. — organs of the mandibular canal. 



in. o. d. — branch of third branchial n. for m. obliquus dorsaiis. 



in. 0. d. p. — branch of fourth truncus branchialis vagi for m. obli- 

 quus dorsaiis posterior. 



mot. IX. — motor root of the glossopharyngeus. 



mot. V. — motor root of the trigeminus. 



mot. VII.— motor root of the facialis. 



mot. X. — motor root of the vagus. 



in. p. c. i. — the m. pharyngo-clavicularis internus. 



111. ph. c. e. — branch of vagus for m. pharyngo-clavicularis externus. 



m. ph. c. i. — branch of vagus for m. pharyngo-clavicularis internus. 



in. ph. t. — branch of vagus for m. pharyngeus transversus. 



in. p. I. — mandibular pit-line. 



in. p. I. to m. p. .j?.— pores of the mandibular canal, 



;;/. r. d. — branch of vagus for m. retractor arcus branchii dorsaiis. 



in. trap. — trapezius muscle (m. protractor scapulae). 



in. tr. d. — branch of vagus for m, transversus dorsaiis. 



in. VII. I. to in. VII. 12. — branches of the r. mandibularis VII. 



iiix. V. — ramus maxillaris V. 



m, I. to in. J. — organs of the main lateral line canal of the head. 



in. 4. — organ of the occipital commissure. 



NA. — nasal bone. 



n. a. — nucleus ambiguus. 



n. a. a. — anterior nasal aperture. 



n. a. p. — posterior nasal aperture. 



n.fn. — nucleus funiculi. 



n. I. — the olfactory nerve. 



n. II. — the optic nerve. 



11. III. — the oculomotor nerve. 



oc. c. — occipital commissure of lateral line system. 



0. i. — m. obliquus inferior. 



0. IX. — apparent (superficial) origin of the IX nerve. 



0. i. I to 0. i. /J. — organs of the infra-orbital lateral line. 



o. I. — optic lobe. 



0. in. VII. — apparent origin of the motor VII nerve. 



OP. — opercular bone. 



oph. — ramus ophthalmicus trigemini. 



op. p. VII. — ramus opercularis profundus facialis. 



op. p. I. to op. p. 6. — pores of the opercular canal. 



