ACTINOMYCETEAE 761 



Growth slow on all media. Ou ordinary agar, at room temperature, colo- 

 nies milk white, with a prominent button in the center surrounded by a circular 

 moat and four cruciform furrows. No growth on Sabouraud agar. Best 

 growth on beef broth neutralized with calcium carbonate or on peptone agar. 



Inadequately Described Species 



Actinomyces Genesii (Froes) Dodge, n. comb. 



Nocardia Genesii Froes, Do mycetoma pedis no Brasil 50, 1930. 



Case of Genesio Salles from Bahia. Pathology given in detail by Froes, 

 Ibid. 181-191, also Rev. Sud-Amer. Med. Chirurg. 3: 495-501, 1932. 



Isolated from red grain mycetoma pedis in Brazil. Author unable to in- 

 fect laboratory animals. Grains 150-300/a in diameter, very hard, red; very 

 abundant in tissues. Gram-positive. 



Cultures difficult and slow on Sabouraud 's agar and potato, red at first, 

 becoming yellowish orange. No growth on liver infusion, broth, milk, egg 

 albumen, or Besredka medium. 



Actinomyces putridog'enes (Vezspremi) Nannizzi, Tratt. Micopat. Umana 

 [Pollacci] 4: 41, 1934. 



Cladothrix putridogenes Vezspremi, Centralbl. Bakt. I, 44: 408-415, 515- 

 523, 1907; Ibid. 45: 15-33, 1 pi, 1907. 



Nocardia putridogenes Froilano de Mello & Pais, Arq. Hig. Pat. Exot. 6: 

 187, 1918. 



Oospora putridogenes Sartory, Champ. Paras. Homme Anim. 823, 1923. 



Isolated from greenish pus from gingival ulcers and abscess of the jaw, 

 with periostitis and metastases in lung. Pus contained Bacillus fusiformis and 

 Spirochaeta gracilis as well as Actinomyces putridogenes. 



Of doubtful pathogenicity. 



Hyphae curved, of varying lengths up to several hundred microns. Grown 

 at 37° C. ; at first only bacilli appear. After 3 days, hyphal threads irregu- 

 larly swollen. Involution forms in old cultures. Organism an aero-anaerobe. 

 Gram-positive and negative. 



Streptotlirix alba I Sanfelice, Centralbl. Bakt. 36: 355-367, 1904. 



Oospora alba I, Sartorj^ Champ. Paras. Homme Anim. 817, 818, 1923. 



Isolated from the air. Pathogenic to rabbit but not to guinea pig. Strain 

 II is similar, but pathogenic to guinea pig and not to rabbit. 



Colonies on agar are shining and white at first, later becoming chalky, 

 easily separable from the substrate. On potato, colonies look like lime. 



Anaeromyces bronchitica Chalmers, Douglas & Thomson, Jour. Trop. Med. 

 & Hyg. 24: 151, 152, Pis. 1, 2, 1921. 



Cohnistreptothrix bronchitica Verdun & Mandoul, Precis Parasitol. 754. 

 1924. 



This genus is intermediate between Mycobacterium and Actinomyces. 



