“…Portions of the testes, seminal vesicle, vas deferens, epididymis, and ileum were placed in fixative, sectioned, and stained according to Heidenhain's azan method, as well as with a triple stain (Himes and Moriber, 1956) and for mast cells (Smith and Atkinson, 1956). When samples of the testicular tissues were examin ed histologically, the degree of spermatogenic tissue destruction was rated according to a scale previously described (Katsh and Bishop, 1958) which employed ascending numerals from 0 to 4 to indicate a range of effect from none to complete elimination of gametogenic elements.…”