DESCRIPTION OF FIGURES 39 AND 40 

 AdenocmrdnonM of the kidney in the leopard frog, Rana pipiens. 



Fic 39.— Bilatml renal adenocarcinomas that have al- Fic. 40. — Multiple metastases to the liver, pancreas and 



\t\y rcpbced both kidneys. ovaries from bilateral kidney (uni<>i>. 



734 



