SKULL 



115 



A pmx 

 * xt - nar 4f*"'^- :Ktna ' r 



\ / i i nets 



trans 



bas.oc 



N max 

 ^ apl.n \ Ur 



* ju tlh 



art 



tlenl 



any 



FIG. 82. SKULL OF Lacerta agilis. (From Parker and Haswell's Zoology, 

 after W. K. Parker. ) 



A, from above ; B, from below ; C, from the side, ang, angular ; art, articular ; 

 bas.oc, basi-occipital ; bas.ptg, basipterygoid processes ; bas.sph, basi- 

 sphenoid ; col, epipterygoid ; cor, coronary ; dent, dentary ; eth, ethmoid ; 

 tx.oc, exoccipital ; ext.nar, external nares ; for. mag, foramen magnum ; 

 fr, frontal ; int.uar, internal nares ; ju, jugal ; Icr, lacrymal; max, maxilla ; 

 nas, nasal ; oc.cond. occipital condyle ; off, olfactory capsule ; opi.ot, opis- 

 thotic ; opt.n, optic nerve ; pal, palatine ; par, parietal ; para, para- 

 sphenoid ; par.f, parietal foramen ; p.mx, premaxillse ; pr.fr, prefrontal ; 

 ptg, pterygoid ; pt.orb, postorbital.; qu, quadrate ; s.ang, supra-angular ; 

 >..o/-/>, supraorbitals ; - sq, paraquadrate (" squamosal ") ; supra. or, supra- 

 occipital; supra. t. 1 , supratemporal ; supra. f.-, sfjuamosal ("suprateinporal-"); 

 trans, transpalatine ; vom, vomer. 



and vomer in young stages. The two dentaries are united by 

 ligament. The columella is continuous with the anterior cornu of 



i 2 



