DESCRIPTION OF FIGURES 67 TO 70 

 Hbtologk appearance of malignant melanoma in a python. Python retkulatus. 



¥k. 67.— Section from the priman.- neoplasm showing the Fic. 69. — Metastatic tumor in the kidney. Along the left 



iairrfaicinK bundles of spindle shaped neoplastic cells. In this margin of the photograph is a normal renal tubule to the 



area, only an occuioQal cell bean pigment granules. Mag. right of which is a sheet of neoplastic cells. The latter differ 



X S50. from those in the primar>' lesion in that they are less spindle 



Flc. 6S. — High powtT magnification of a neoplastic cell shaped; the nuclei tend to be spherical. Mag. X 230. 



containing pigment. In the center of the photograph is an Fic;. 70. — A region from the primar>- tumor in which the 



X-«haprd cell with a large o>*al nucleus. Throughout the cell pattern has a rather pronounced neurogenic appearance. 



c> lopbun there b a uniform scattering of pigment granules. There is a suggestion of palisading of the nuclei. Mag. X 200. 

 Marx IJOO. 



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