CARCINOMA OF THE THYROID IN SALMONOID FISHES. 39 1 



Diagram as. — Fish 181. landlocked salmon, length 35 cm.; tyi>c alveolar. 



Diagram j6.— Fish 183. S. jonlinalii, length 15.9 cm.; type alveolar. 



Diagram 37.— Fish sos. hybrid. length 17.6 cm.; type papillar. 



Diagram a8.— Fish 208, hybrid, length 16 cm.; type papillar. 



