318 



ZOOLOGY 



SECT. 



lies in front of the frontal, and helps to bound the orbit anteriorly, 

 and another small bone — the lacrymal (lev) — perforated by an aper- 

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



ii- trans 



Fig. 962.— Skull of I.acerta agilis. A, from above; B, from below; C, from the side. 

 (inq. angular ; art. articular ; ?>a/t. oc. basioccipital ; > han, jtig. basipterygoid processes ; hcM. 

 sph. basisphenoid ; col. epipterygoid ; cor. coronary ; dent, dentary ; ctli. ethmoid ; ex. or. ex- 

 occipital ; cxt. nar. external nares ; for. mag. foramen magnum ; fr. frontal ; int. nar. mternal 

 narcs ; ju. jngal ; Icr. lacrymal ; max. maxilla ; nas. nasal ; or. cond. occipital condyle ; olf. 

 olfactory capsule ; op. ot. op sthotic ; opt. n. optic nerve ; paL palatine ; ^lar. parietal ; para. 

 parasphenoid ; par. f. parietal foramen ; p. mx. premaxillge ; pr. fr. pre-frontal ; ptg. 

 pterygoid; pt. orb. postorbital or lateral postfrontal ; qu. quadrate; s. ang. sutira-angular ; 

 s. orb. supraoibitals ; sq. paraquadrate ; suprat'^. supratcmporal 1 ; Kupra (2. squamosal ; trans, 

 transverse; sitj^r. oc. tupraoccipital ; -wom. vomer. The unlettered bone internal to ji(. orh. 

 in A is the postfrontal. The transverse line behind /)•. is a superficial mark, not a tuture, 

 (After W. K. Parker.) 



just within its border. A row of small bones — the supra-orlitals 

 (s. orh) — bounds the orbit abo-ve, and behind is a jpost-oriital 



