162 The Alligator and Its Allies 
The most marked difference between the two 
regions of the tongue is the presence, in the poste- 
rior or basal region, of numerous glands, g, probably 
mucous- or slime-secreting. They are thickly 
Fic. 38. One of the glands from the posterior region of the tongue 
of the hibernating animal, under high magnification; @, areolar tissue; 
av, alveolus. 
scattered through the areolar base, close beneath 
the epithelium. Two large glands and one small one 
are shown in the figure under discussion. Each 
gland opens to the surface by an apparently wide 
duct, but since no good section of such a duct 
was obtained it is not shown in the figure. Al- 
though the rest of the tissue was well preserved 
