342 



MAXUAL OF DETERMIXATIVP: BACTERIOLOGY 



heim. (Ztschr. f. Hyg., 10, 1891, 331 

 and 12, 1892, 308.) Migula (Syst. d. 

 Bakt., 2, 1900, 6) considers this a syno- 

 nym of Streptococcus pyogenes. 



Streptococcus mutans Clarke. (Brit. 

 Jour. Exp. Path., 5, 1924, 142.) Shows 

 extreme variability in colony formation. 

 Regarded as the cause of dental caries. 



Streptococcus nasalis (Hack) Migula. 

 (Micrococcus nasalis Hack, according to 

 Eisenberg, Bakt. Diag., 3 Aufl., 1891, 55; 

 Migula, Syst. d. Bakt., 2, 1900, 45; Pla7w- 

 coccus yiasalis Migula, loc. cit., 274.) 

 From nasal secretions. Considered 

 motile. 



Streptococcus necroseos Schroter. (Mi- 

 krokokkus der progressiven Gewebene- 

 krose bei Mausen, Koch, Untersuch. iiber 

 die Atiologie der Wundinfektionskrank- 

 heiten. Leipzig, 1878 or Gesamm. Werke 

 V. Robert Koch, 1, 1912, 87; Schroter, in 

 Cohn, Kryptog. Flora v. Schlesien, 3, 1, 

 1886, 150; Streptococcus nccroticus Trevi- 

 can, Atti della Accad. Fisio-Medico- 

 Statistica in Milano, Ser. 4, 3, 1885.) 

 From gangrene in mice. 



Streptococcus nomae Trevisan. (I gen- 

 eri e le specie delle Batteriacee, 1889, 30.) 

 From gangrene of the mouth. 



Streptococcus non-hemohjticus I, II 

 and /// Holman. (Jour. Med. Res., 5^, 

 1916, 388.) From various human and 

 animal infections. 



Streptococcus odontolyticus Belding and 

 Belding. (Dental Items of Interest, 

 62, 1940, 308.) From dental caries. 

 Later stated by authors (Jour. Amer. 

 Dent. Assoc, 30, 1943, 713) to be a mu- 

 coid variant of Streptococcus salivarius. 



Streptococcus opacus Heim and Schlirf. 

 (Cent. f. Bakt., I Abt., Orig., 100, 1926, 

 40.) From the oral cavity. 



Streptococcus opportunus Brown. 

 (Rept. Proc. Third Internat. Congr. for 

 Microbiol., New York, 1940, 173.) 

 Source not recorded. Belongs to Lance - 

 field's Group B (Sherman, Chase and 

 Niven, Jour. Bact., U, 1941, 101). 



Streptococcus ovis Weimann. (Ztschr. 

 f. Infectionskrankh. d. Haustiere, 9, 

 1911, 255.) From infected sheep. 



Streptococcus pollens Henrici. (Arb. 

 bakt. Inst. Karlsruhe, i, Heft 1, 1894, 57.) 

 From Gouda cheese. 



Streptococcus pallidus Henrici. (Arb. 

 bakt. Inst. Karlsruhe, i, Heft 1, 1894, 58.) 

 From Neufchatel cheese. 



Streptococcus parvulus Levinthal. 

 (Cent. f. Bakt., I Abt., Grig., 106, 1928, 

 195.) From the mucous membrane of the 

 human throat. 



Streptococcus pastorianus Krassilst- 

 schik. (Compt. rend. Acad. Sci. Paris, 

 123, 1896, 427.) From silkworms. 



Streptococcus perniciosus Zopf . (Zopf , 

 Die Spaltpilze, 3 Aufl., 1885, 53; Strepto- 

 coccus perniciosus psittacorum Fliigge, 

 Die Mikroorganismen, 2 Aufl., 1886, 164; 

 Micrococcus perniciosxis Crookshank, 

 Man. of Bact., 3rd ed., 1890, 2b2; Strepto- 

 coccus psi^/acorzrw Migula, Syst. d. Bakt., 

 2, 1900, 42.) From an infection of par- 

 rots. Found in nodules on the surface of 

 the kidnej's, lungs and spleen. 



Streptococcus phytophthorus (Frank) 

 Chester. (Micrococcus phytophthorus 

 Frank, Cent. f. Bakt., II Abt., 5, 1899, 

 134; Chester, Man. Determ. Bact., 1901, 

 67.) Associated with blight and rot of 

 potato. 



Streptococcus piima Mac3^ (Jour. 

 Dairy Sci., 6, 1923, 2.) From ropy milk, 

 the Finnish piima. 



Streptococcus pitycampae a. Dufrenoy. 

 (Compt. rend. Soc. Biol., Paris, 71, 1919, 

 288.) From processionary moth larvae 

 (Cnethocampa pityocampa). Motile. 



Gram-positive. 



Streptococcus pityocampae /3 Dufrenoy 

 (loc. cit.). From processionary moth 

 larvae. Gram-negative. 



Streptococcus pleomorphus von Wies- 

 ner. (Wien. klin. Wochnschr., 1917, 933 

 and 1918, 1101; see Lehmann and Neu- 

 mann, Bakt. Diag., 7 Aufl., 2., 1927, 224.) 

 Occurred frequentlj' during the influenza 

 epidemic of 1918. 



Streptococcus pneumosimilis Frost and 

 Engelbrecht. (The Streptococci, 1940, 

 57.) From milk and from the throats of 

 dairy employees. Not found in bovine 

 feces. 



