Bull. U. S. B. F. 1912. 
Plate LVI. 
Fig. 1. — From Scott's "Cancer in Fish," 1891. Floor of mouth of Sa/nw fonlinalis, showing- protrusion of tumor in 
pharyngeal floor. 
Fig. 2. — Drawing from micro.scopic section showing acini with infiltration of surrounding structure of individual 
cells. After .Scott. 
