CARCINOMA OF THE THYROID IN SALMONOID FISHES. 39! 



DIAGRAM 35. Fish 181, landlocked salmon, length 35 cm.; type alveolar. 



DIAGRAM 26. Fish 183, S. fonlinalis, length 15.9 cm.; type alveolar. 



DIAGRAM 27. Fish 205, hybrid, length 17.6 cm.; type papillar. 



DIAGRAM 38. Fish 208, hybrid, length 16 cm.; type papillar. 



