DESCRIPTION OF FIGURES 48 TO 50 

 Sarcoma in a bullfrog, Rana catesbiana. 



Fk. 48. — Groft apprarancr of tbf lefts and posterior half Fig. 49. — Interlacing bundles and whorb of delicate con- 



of the trunk of a bullfrog. .\t the junction of the left thigh nective tissue make up the bulk of the tumor. Mag. X 150. 



and trunk b a roughly spherical tumor, half of which lies Fig. SO. — At the p:ripher>- of the neoplasm the fibrils are 



whbin the coelomic cax-ity (white arrow) ; the remainder has arranged in parallel bundles; palisading of the nuclei is not 



penrtniled the back muscles and forms a prominent subcu- present. Mag. X 150. 

 SM (black arrow). 



740 



