590 



MANUAL OF DETERMINATIVE BACTERIOLOGY 



the following species as closely related 

 to this group : 



Bacillus caiarrhalis JundeW . (Hygieae, 

 60, No. 6 and 7, p. 667.) From cases of 

 acute bronchitis. 



Bacillus trachomatis Lehmann and 

 Neumann. (The Bacillus Miiller, Luers- 

 sen, Cent. f. Bakt., I Abt., Orig., 39, 

 1905, 682.) From conjunctiva. 



Bacterium czaplewskii Chester. (Ba- 

 cillus bei Keuchhusten, Czaplewski, 

 Cent. f. Bakt., ^2, 1897, 641; Bacterium 

 tussis convulsivae Lehmann and Neu- 

 mann, Bact. Diag., 2 Aufl., 1899, 192; 

 Chester, Man. Determ. Bact., 1901, 

 153.) From sputum in whooping cough. 

 This is not now regarded as being etiolog- 

 ically associated with whoopitig cough. 



Bacterium exiguum Staubli. (Miinch. 



med. Wchnschr., No. 45, 1905.) From a 

 case of septic endocarditis. 



Bacterium microbutyricum Hellstein. 

 From butter. 



Bacterium minutissimus sputi (Luz- 

 zatto) Lehmann and Neumann. {Ba- 

 cillus minutissimus sputi Luzzatto, Cent, 

 f. Bakt., I Abt., 37, 1900, 816.) From a 

 case of pertussis. 



Bacterium polymorphwn convulsivum 

 Melfi. (Cent. f. d. gesamte Hygiene, 7, 

 1924, 133.) 



Bacterium septicaemiae canis Paranhos . 

 (Cent. f. Bakt., I Abt., Orig., 50, 1909, 

 607.) 



Streptobacillus ureihrae Pfeiffer. 

 (Cent. f. Bakt., I Abt., Ref., S6, 1905, 

 59.) From the normal urethra and from 

 cases of chronic cystitis and urethritis. 



Genus II. Moraxella Lwoff* 



{Diplobacillus McNab, Klinische Monatsbl. f. Augenheilk., 4^, 1904, 64; not Diplo- 

 bacillus Weichselbamn, Cent. f. Bakt., 2, 1887, 212; Lwoff, Ann. Inst. Past., 62, 1939, 

 168.) Named for Morax, who first isolated the type species. 



Small, short, rod-shaped cells, usually occurring singly or in pairs. Non-motile. 

 Parasitic. Aerobic. Gram-negative. 



The type species is Moraxella lacunata (Eyre) Lwoff. 



Key to the species of genus Moraxella. 



I. No growth in gelatin. 



1. Moraxella lacunata. 

 II. Gelatin liquefied. 



A. Rapid liquefaction. No growth in milk. 



2. Moraxella liquefaciens . 



B. Very slow liquefaction. Cells capsulated. Growth in milk. 



3. Moraxella bovis. 



1. Moraxella lacunata (Eyre) Lwoff. 

 (Diplobacille de la conjunctivite sub- 

 aigue, Morax, Ann. Inst. Past., 10, 1896, 

 337; Diplobacillus of chronic conjunctivi- 

 tis, Axenfeld, Cent. f. Bakt., I Abt., 21, 

 1897, 1 ; Bacterium conjunctivitis Chester, 

 Ann. Rept. Del. Col. Agr. Exp. Sta., 9, 

 1897, 85; Bacillus lacunatus Eyre, Jour. 

 Path, and Bact., 6, 1899, 1; not Bacillus 



lacunatus Wright, Memoirs Nat. Acad. 

 Sci., 7, 1895, 435; Diplobacillus morax- 

 axenfeld McNab, Klinische Monatsbl. f. 

 Augenheilk., 4^, 1904, 64; Bacterium 

 duplex Lehmann and Neumann, Bakt. 

 Diag., 2 Aufl., 2, 1899, 193; Hemophilus 

 lacunatus Holland, Jour. Bact., 5, 1920, 

 223; Bacillus duplex Hewlett, Med. Res. 

 Council Syst. of Bact., 2, 1929, 417; 



* Arranged by Prof. E. G. D. Murray, McGill University, Montreal, P. Q., Canada, 

 September, 1945. 



