;us 



zooLor.Y 



SECT. 



lies in front of the fi'ontal, and helps to bound the orbit anteriorl}^ 

 and another small bone — the la crymal (Icr) — perforated by an aper- 

 ture for the lacrymal duct, lies at the anterior extremity of the orbit, 



frnns 



para 



stiprn.t t '^c. 



supr.oc '^ / \ ,\ 



pt.orh 



or. CO/ id. bas.ofi 



s.orb 



- trans 





ticnt- 



anc/ 



Fig. 962.— Skull of Iiacerta agilis. A, from above ; U, from below ; C. from the side. 

 anq. angular; <iil. articular; hux. or. basiocdpital ; ?)a.s. ;5<f7. basipterj-goifl processes; ha^. 

 sph. basisphenoifl ; cnl. epij torygold ; cor. (oronary; i/c/i/. deiitary ; (//(.ethmoid; i.r. or. ex- 

 occipital ; cxt. Mir. external nares ; for. raaa. foramen magnum ; .//. frontal ; ii>t. ,i<ir. internal 

 nares ; jv. jugal ; Irr. lacrj'nial ; ma.r. maxilla ; nits, nasal ; or. roixl. occipital condyle ; olf. 

 olfactory capsule ; op. ot. op sthotic ; opt. n. optic nerve ; paJ. palatine ; par. parietal ; para. 

 l)arasphenoid ; par. f. parietal foramen ; p. m.r. premaxilla; ; pr. fr. jire-frontal ; ptg. 

 pterygoid; pi. orb. po.storbital or lateral po.stfrontal ; qu. quadrate; j».f'/i.'/. supra-angular ; 

 ». orh. supraoibitals ; .«j. pai-aquadrate ; .tupra /'. suiiratcmporal 1 ; .ivpra t-. squamosal ; tramt. 

 transverse ; gvpr. or. supraoccipital ; vom. vomer. The unlettered bone internal t:> }>t. orh. 

 in A is the po.stfrontal. The tran.sverse line behind n: is a superficial mark, not a tuturc. 

 (After W. K. Parker.) 



just within its border. A row of small bones — the siqjr a- orbital s 

 (s. orb) — bounds the orbit above, and behind is a ]}ost-orbital 



