DESCRIPTION OF FIGURES 60 TO 62 

 Oral squamous ceil carcinoma of a lizard, Tupinambh nigra punctatus. 



Pw. 60. — Roof of the mouth in the UvinK animal show- Fic. 61.— In this section the neoplastic epithelial cells are 



ing biktrrai lumon. Theae arose in the epithelium of the in some areas arranged concentrically to form small nests or 

 gums and have completely destroyed several teeth. The "pearls." Mag. > 200. 



white pbqurs are areas of necrosis. Fic. 62. — The nuclei of the tumor cells are renuirkably 



large and pleomorphic; an occasional mitotic figure is pres- 

 ent. Intercellular bridges can be seen. Mag. X 200. 



748 



