CARCINOMA OF THE THYROID IN SAL,MONOID FISHES. 

 t 



385 



DIAGRAM i. Fish6i, S. fonlinalis, length 20 cm.; type alveolar. 



DIAGRAM 2. Fish 72, S. fontinalis, length 26.5 cm.; type alveolar. 



DIAGRAM 3. Fish 73, S. fontinalis, length 22 cm.; type alveolar. 



DIAGRAM 4. Fish 75-157, S. fontinalis, length 26.4 cm.; type tubular. 



