Bull. U. S. B. F. 1912. 



Plate LXXXI\'. 



Fig. 67. — Infillr.iniiv: lii;. roid tumors in the gill region ot .i \m1-1 white fish i.Coreeonus c/upei/armis.) 





• -■*•»■ 4IB 



-tiou of the tumor shown in tigure 66. luhUration 01 \v;iU ol" vein. Cell ne,->;.s iu Uiincn. X136. 



