234 



Make Drawings of the Skull of the Frog to show the various 

 Bones. 



NASAL 



ANTERIOR WARES 



PREMAXILLA 



FIQ. 36. Skull of Frog (Eana). Dorsal view. 

 FIG. 37. Skull of Frog (Eana). Ventral view. 



NOTE. The names of the replacement Jor cartilage bones are 

 printed in italics. The dotted areas in the figures indicate the per- 

 sistent cartilage. 



