DESCRIPTFON OF FIGURES 41 TO 44 

 Hbtolosk appearance of renal adenocarcinoma of the leopard froK, Rana pipiens. 



Fk. 41. — Ven- early, solitary. i\'.tii tumor surrounded by Fic. 4,^. — Intranuclear inclusions in neoplastic cells. The 



normal kidney tmue. Compare the size of the neoplastic chromatin is condensed about th<- |>criphery of the nucleus, 



lulHiles whh the much smaller ones in the adjacent normal and is separated from the laru> imtr.il .i< i<lo|>hilic inrlusion 



kidney. Mac. X 95. hv a clear space. Mac ^ 40o 



Fic. 42. — Microtcopic appearance typical of the majoiitv Kk;. 44. — Two lan:( tiintdr i'mlK>li in vascular spaces with- 



of the tumors. The neoplastic epithelium forms bizarn- tubu- in the livf >f < - :oo. 

 hir or adnar ftructufcs supported by a moderately vascular 

 conaeclivc lisMJe stroma. Mag. X 70. 



736 



