“…Saprophytism probably explains cases associated with bronchial cysts (Hemphill, 1946;Gerstl, Weidman, and Newmann, 1948;Corpe and Cope, 1956), bronchiectasis (Boyce, 1893;Barlow, 1954;Bruce, 1957), pneumoconiosis (Heppleston and Gloyne, 1949), tuberculosis (Barlow, 1954;Kelmenson, 1959;Peer, 1960), cardiac disease (Zimmerman, 1950), mastoiditis (Stuart and Blank, 1955), carcinoma (Sochocky, 1959), asbestosis (Hinson et al, 1952), endocarditis (Welsh and Buchness, 1955), pneumonia (Hertzog, Smith, and Goblin, 1949 ;Ross, 1951 ;Abbott, Fernando, Gurling, and Meade, 1952;Darke, Warwick, and Whitehead, 1957;Toigo, 1960), histoplasmosis (Procknow and Loewen, 1960), the orbit (Wright, 1927), sarcoidosis (Pepys et al, 1959), and lung abscess (Wheaton, 1890;Yesner and Hurwitz, 1950;Stevenson and Reid, 1957). Hinson et al (1952) classified aspergillosis as allergic, saprophytic, and septicaemic.…”