“…In the literature since the appearance of Ewing's article there have been reports of sarcoma by Fata,2 Stokes,3 Codman and Sheldon, 4 Leuzzi,5 Petit de la Villéon,6 Smith,7 Lister,8 Grant,9 Aguirre,10 Fansler j11 of perithelioma by Nizzi12 and by Brandeis ;13 of hypernephroma by Thompson;14 of fibroma by Lardennois and Lecène,15 by Makins,16 and by Boyer,17 and of fibrolipoma by Baldwin.18 In most of these, the microscopic description is too incomplete to permit critical study, but all are probably epithelial tumors except the fibromas and the fibro¬ lipoma. The reported fibromas are apparently pure tumors derived from the tunic of the testis.…”