TUMOES. 



505 



mata of the skin and glandular organs, with special reference to the behavior 

 of the epithelium. My specimens were: (1) A myeloma about the size of a 

 child's fist, which was extirpated from the abdominal wall of a man fifty-five 

 years of age ; ( 2 ) myeloma growths of the size of walnuts, which appeared in the 

 right groin of a man sixty-nine years of age, and which, after repeated extirpa- 

 tions, were followed by numerous secondary myeloma nodules in the lungs ; 

 (3) a myeloma of the testis of a man, aged forty-eight years, nearly the size 

 of a child's head; (4) a myeloma of the submaxillary gland, of a man aged 



FlG. 203. FlBRO-MYELOMA FROM THE ABDOMINAL WALL OF 

 AN ADULT. 



P, papillae, cut transversely; D, derma of skin, with commencing transformation into- 

 myeloma ; B. blood-vessel ; R, rete mucosum. Magnified 200 diameters. 



seventy-two years, as large as a chicken's egg; (5) myeloma nodules from 

 the liver of a man, aged fifty-nine, which occurred as a secondary growth 

 after extirpation of a tumor of the eyeball, simultaneously with nodules in 

 the omentum, the mesentery, and the walls of the small intestines. Among 



