Cocc Osp 



Fig. 948.— Salaznandra atra. The skull. A, from above ; B, from below. In both the 

 investing bones are removed on the right side of the figure. Aj, antorbital process; As, 

 alisphenoid region ; 5p, basal plate ; CaTi, nasal cavity ; Ch, posterior nares ; (7i, process of 

 intemasal plate ; Cocc. occipital condyles ; F. fiontal ; Fl, olfactory foramen ; Fm. fenestra 

 ovalis ; IS, intemasal plate ; Lgt. ligament connecting stapes with suspensorium \'-M, maxilla ; 

 J?, nasal ; Sa. nasal aperture ; iVX, olfactory capsule ; OB, auditory capsule ; OS, spheneth- 

 moid (orbitosphenoid); Os'p. supraoccipital region; P, parietal ; Pa, ascendingprocess of suspen- 

 sorium; -ptd. pedicle ; P/. prefrontal ; Fmx. premaxiUa ; Fot. otic process of suspensorium ; 

 F-p. palatine process of maxilla ; Fs. parasphenoid ; Ft. pterygoid bones ; Itc. pterygoid 

 cartilage ; Rt, foramen for ophthalmic branch of trigeminal ; G^*- quadrate ; Sfpi. para- 

 quadrate (squamosal) ; St. stapes ; Vo. vomer ; Vo'p. vomero-palatine ; Z, process of inter- 

 nasal plate ; //, optic foramen ; F", trigeminal foramen ; K//, facial foramen. (From 

 Wiedersheim's Comparative Anatomy.) 



Fig. 949.— Skull of IchtliyoplliS glutinosa, X3. A, Lateral; B, Ventral; C, Dorsal view. 

 A. posterior process of the os articulare ; Ca. carotid foramen ; Ch. choana oi- posterior nasal 

 opening; F. frontal; J. jugal ; LO. exoccipital; Mx. maxilla; N. nasal; No. nostril; 

 0. orbit ; F. parietal ; Fa. palatine ; Pvi. premaxilla ; Fof. postfrontal ; Frf. prefrontal ; 

 Ft. pterygoid ; Q. quadrate ; S. paraquadrate (squamosal) ; St. stapes ; T. tentacular groove ; 

 Fo, vomer ; x, exit of vagus nerve. (After Sarasin.) 



