Platk cir. 
Fig. 106. — Section througrli large tumor dome.sticated brook trout which under treatment with bichloride added to the 
running’ water in the proportion of 1:5,000,000 for 3 days and then placed in standing bichloride solution 1:300,000, 
killed by 3X hours exposure. Tumor greatly decreased in size. Reversion toward normal type. Fish 1136, table xn. X86. 
Fig. 107. — vSection through margin of large tumor retrograded under treatment with bichloride of mercury 1 : 5.000,000 
added to the water for 18 days. Marked atrophy of tumor cells, remnants of nests of cells in marginal connective tissue 
presenting a picture similar to regression of carcinoma in mammals. Fish 1065. table xii. X86. 
