Bull. U. S. B. F. 1912. 



Plate L\'I. 



Fig. 1. — From Scotl s "Cnncer in Fisli," 1891. Floor of inoulli of Sa/i/io /oulina/is. showing protrii.sion of tumor in 

 pharyngeal floor. 



6>' 



Fig. 2. — Drawing from microscopic section showing ncini with infiltration of surrounding structure of individual 

 cells. After Scott. 



