332 



]\IE. W. K. PAEKER ON THE STEUCTUEE AND 



Explanation of Abbreviations. 



n.a.n. 



a.cl. 



al.e. 

 al.n. 



al.s. 

 aJ.ib. 

 aq.v. 



a.sc. 



a. ty. 

 au. 



b. a. 

 h.hr. 



hJi., h.liy. 

 h.o. 

 h.s. 

 h.tr. 



c. a. 

 ex. 



c.h., c.Tiy. 

 cl. 



cl 1,2, &c. 



cr. 

 (t. 

 c.tr. 

 C 1. 

 C l". 

 C 2. 

 C 3. 



d. 

 d.px. 



e. n. 



CO. 



e. pg. 

 eu. 



/• 



f. m. 

 f.ov. 



f. r. 

 h./>r. 

 Ji.sc. 



luj. 



appendix alae nasi. 



anterior clinoid wall. 



aliethmoid. 



alinasal. 



alispheuoid. 



alinasal turbinal. 



aqueduct of the vestibule. 



anterior semicircular canal. 



annulus tym^anicus. 



auditory sac. 



basilar artery. 



basibrauchial. 



basihyal. 



basioccipital. 



basisiihenoid. 



basitrabecula. 



concha auris. 



common (auditory) canal. 



ceratohyal. 



cochlea. 



1st, 2nd, and following visceral clefts*. 



coronoid process of mandible. 



cutis. 



cornua trabecular. 



thalamencephalon. 



hemisphere. 



2nd cerebral vesicle. 



3rd cerebral vesicle. 



dentary. 



dentary part of prcmaxillary. 



eyeball. 



epiotic. 



external nostril, 

 exoccipital. 



external pterygoid plate. 

 Eustachian tube, 

 frontal. 



foramen laccrum posterius. 

 foramen magnum, 

 fenestra ovalis. 

 fenestra rotunda, 

 liypobranchial. 



h(ii-i/,ontal semicircular canal, 

 hyoid. 



i.e. internal carotid arteiy. 

 i.Tiy. interhyal. 

 i.n. inner nostril. 

 i.jy.m. internal process of malleus. 

 i.tb. inferior turbinal. 

 iv. investing mass. 

 J- jugal. 

 j.v. jugular vein. 



I. lacrymal. 

 l.c.i. long crus of incus. 

 l.c.r. lateral cerebellar recess. 

 LI. lower lip. 

 Ip. lip. 



7.S. lateral sinus. 

 7,r. larynx. 

 m. mouth. 

 mb. manubrium mallei. 

 mc. meniscus. 

 m.e. meatus externus. 

 m.eth. mcsethmoid. 



ml: Meckel's cartilage. 

 mJi-.c. Meckelian commissure. 

 ml. malleus. 

 mn. mandible. 

 m.n. middle nostril. 

 m.ob. meduUa oblongata. 

 ms.pg. mesopterygoid. 

 m.tb. middle turbinal. 

 m.tr. middle trabecula. 

 m.ty. membrana tympani. 

 mx. maxillary. 

 mx.p. maxillo-palatine. 

 n. nasal. 

 n.tv. »asal wall. 

 o.b. OS bulhe. 

 oc.c. occipital condyle, 

 (v. oesophagus. 

 ol. olfactory sac. 

 o.ob. OS orbieulare. 

 OS. orbito-sphcnoid. 

 o.v. ophthalmic vein. 

 p. parietal. 

 jm. palatine. 



p.c. perpendicular ethmoid. 



These may be counted from the lacrymal or Hrst prooral, or from the tympanic or fir.sl postor.il. 



