Bull. U. S. B. F. 1912. 
Plate XCI. 
Fig. 84. — vSection of wild Wisconsin brook trout. Raw liver feeding 12 months. Focal development carcinoma of tlie 
tliyroid. Small group of follicles with columnar epithelium. Reduced colloid. Hyperaemia about follicles. At periphery 
normal unaltered thyroid follicles. X86. 
Fig. 85. — Wild Wisconsin brook trovit. Raw heart feeding 12 months. Beginning carcinoma of the thyroid. X86. 
