424 



H. B. POLLARD, 



L. m. s. Levator maxillae superioris. 



lÀg. Ligament. 



Lig.hy.md. Maudibulohyoid ligament. 



Mass. Masseter muscle. 



Mant. Mantle or opercular fold. 



Me. Mucous canal. 



Mck. Meckelian cartilage. 



M. mck. Mento-meckelian bones. 



Mes. Mesenteric artery. 



Ms.py. Mesopterygium. 



Mt. py. Metapterygium. 



Mt. pty. Metapterygoid. 



Mx. Maxilla. 



N. Nasal (bone or aperture). 



iVa', Lihalent nasal aperture. 



Na'^. Exhalent nasal aperture. 



Nas. int. Nasalis internus. 



Na. sept. Nasal septum. 



Nch. Notochord. 



N. Nerve. 



N. elf. Olfactory nerve. 



Op.f. Opercular flap. 



Op. m. Opercularis muscle. 



Olf. Olfactory organ. 



Op. 0. Opisthotic. 



Opt. Optic nerve. 



Ophih. Ophthalmic. 



0. s. Orbitosphenoid. 



Os. term. Os terminale. 



Otl Otolith. 



Par. Parietal. 



P. C. a. Precardiac aorta. 



P. cl. Postclavicle. 



P. cor. Processus coronoideus. 



Pmx. Premaxilla. 



Pr. hm. Protractor hyomandib. 



Prot. Protractor muscle. 



Prepal. Prepalatine bar. 



P.s.c. Posterior semicircularcanal. 



Pro. py. Propterygium. 



Post. temp. 8. Posttemporal scale. 



Pr. sq. Squamosal process. 



Psph. Parasphenoid. 



Pty. Pterygoid. 



Pty.m. Pterygoid muscle. 



Py. Pituitary body. 



Qu. Quadrate. 



Re. hm. Retractor hyomandibularis. 



R. bronchi Ramus bronchialis. 



R. bucc. Ramus buccalis. 



R. dors. Ramus dorsalis. 



R. hy. Ramus hyoideus. 



R. int. Ramus intestinalis. 



jR. lat. dors. Ramus lateralis dorsalis. 



R. lat. med. Ramus lateralis médius. 



R.m. e. Ramus mandibularis externus. 



R. m. i VII. Ramus mandib. internus. 



R. md. Ramus mandibularis. 



R. m. s. Ramus maxillaris superior. 



R. ope. Ramus opercularis. 



R. o.p. Ram. ophthalmicus profundus. 



R. 0. S. Ramus ophth. superficialis. 



jR. ot. Ramus oticus. 



JR. pal. Ramus palatinus. 



R.ph. Ramus pharyngeus. 



R.postorb. Ramus postorbitalis. 



R.post. tr. Ramus posttrematicus. 



R. pr. tr. Ramus praetrematicus. 



JR. rec. Ramus recurrens. 



R. s. temp. Ram. supratemporalis. 



Sacc. Sacculus. 



Sc. Scapula. 



Scl. Subclavian artery. 



S. cl. Supraclavicle. 



Sp. Spiracle. 



Sp. m. Spiracular muscle. 



Sp. OSS. Spiracular ossicles. 



Sph. 0. Sphenotic. 



St.pl. Sternal plate or infracla viele. 



S. OCC. Supraoccipital band. 



S. ob. Supraorbital band. 



Subr. Subrostral. 



Sup. br. Suprapharyngo-branchial. 



Symp. Sympathetic nerve. 



Susp. lig. Suspensory ligament. 



Temp. Temporalis muscle. 



T. cr. Tegmen cranii. 



Tend. Tendon. 



Thm. Thymus. 



Thr. Thyroid. 



V.l. Upper ledge (of snout). 



Vert. Vertebrae. 



Vo. Vomer. 



V. A. Ventral aorta. 



