CARCINOMA OP THE THYROID IN SAI^MONOID FISHES. 389 



Diagram 17. — Fish 133. humpback. length 14.4 cm.; type alveolar. 



Diagram 18. — Fish 139, Salmo hybrid, length 10.7 cm.; type alveolar. 



Diagram 19. — Fish 140, Salmo hybrid, length 8.7 cm.; type solid. 



Diagram 30. — Fish 151. S. fonlmalis. lencth 2* cni ; type tubular. 



