Bri.L. U. S. B. F. iqi2 



Pi.ATK cir. 



runSS^ZtJrn'?^,%7oZn!o:ro!T%'l^^^^^ "T"^" treatment with bichloride added to the 



Uinedbv3>.hoursexposur?. Tun,or .reat^ie™eL7ed^n1r.V''\Ve'So„^l1,';^fr<l"t,o^r^^ 



'm^'t 



' *' • ' Section through margin of large tumor retrograded under treatment with biclil.iiKl. 

 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 



