FAMILY EA'TEROBACTERIACEAE 



-157 



Bacillus aromaticus Paminel. (Pam- 

 mel, Bull. No. 21, Iowa Agr. Exper. Sta., 

 1893, 792; Pammel and Pammel, Cent. f. 

 Bakt., II Abt., 2, 1896, 633; Bacterium 

 aromaticus Chester, Ann. Rept. Del. Col. 

 Agr. Exp. Sta., .9, 1897, 100; Flavobac- 

 terium aromaticum Bergey et al., Manual, 

 Isted., 1923, 105.) From cabbage. Used 

 as a starter for cheese making. Acid and 

 gas from glucose and sucrose. See Man- 

 ual, 5th ed., 1939, 533 for a description 

 of this organism. 



Bacillus guillebeau a, b and c, von Freu- 

 denreich. (Ann. de Micrographie, 2, 

 1890, 353.) From mastitis milk. Cul- 

 ture a may well have been Aerobacter 

 aerogenes, b appears to have been A. 

 cloacae while c was a mucoid variant (see 

 Sternberg, Man. of Bact., 1893, 725). 



Bacillus subcloacae Ford. (Studies 

 from the Royal Victoria Hosp., Montreal, 

 /, (5), 1903, 60; also see Ford, Jour. Med. 

 Res., 6, 1901, 213.) From feces. 



Bacterium liquefaciens Ford. (Studies 

 from the Royal Victoria Hosp., Montreal, 

 1, (5), 1903, 59; also see Ford, Jour. Med. 

 Res., 6, 1901, 215.) From feces. While 

 Ford regards this species as identical 

 with Bacillus liquefaciens Eisenberg, 

 neither is adequately described and they 

 differ in important characters. The 

 same holds true for Bacillus liquefaciens 



Fuller and Johnson, Jour. Exp. Med., 



4, 1899, 627. 



Bacterium margaritaceum. Migula. 

 (Perlschnurbacillus, Maschek, Bakteriol. 

 Untersuch. d. Leitmeritz. Trinkwaster, 

 Leitmeritz, 1887; Migula, Syst. d. Bakt., 

 3, 1900, 422 and 1059.) From water. 

 Possibly identical with Aerobacter aero- 

 genes. 



Bacterium subliquefaciens Ford. 

 (Studies from the Royal Victoria Hosp., 

 Montreal, 1, (5), 1903, 59; also see Ford, 

 Jour. Med. Res., 6, 1901, 219.) From 

 feces. 



Bacterium zeae Comes. (Bacterial 

 Disease of Corn, Burrill, 111. Agr. Exp. 

 Sta. Bull. 6, 1889, 164; Comes, Critto- 

 gamia Agraria, /, 1891, 500; Bacillus 

 secalis Ludwig, Lehrbuch der niederen 

 Kryptogamen, 1892, 95; Bacillus zeae 

 Russell, Bacteria in their relation to 

 vegetable tissue, Thesis, Johns Hopkins 

 Univ., Baltimore, 1892, 36.) From corn 

 blight. Moore (Agric. Sci., 8, 1894, 

 368) identified a culture received from 

 Burrill as Bacillus cloacae Jordan. 



Burkey (Iowa State College Jour. Sci., 



5, 1928, 77) described five species {Aero- 

 bacter indologenes, Aerobacter motorium, 

 Aerobacter mitificans, Aerobacter saiici- 

 novorum and Aerobacter pseudoproteus) 

 which are regarded as varieties of Aero- 

 bacter cloacae. 



Genus III. Klebsiella Trevisan.* 



(Trevisan, Atti della accad. Fisio-Medico-Statistica in Milano, Ser. 4, 3, 1885, 

 105; Calymmatobacterium Aragao and Vianno, Mem. Inst. Oswaldo Cruz, 4, 1912, 222; 

 Encapsulatus Castellani and Chalmers, Man. Trop. Med., 3rd ed., 1919, 934.) Named 

 for Edwin Klebs (1834-1913), early German bacteriologist. 



Short rods, somewhat plump with rounded ends, mostly occurring singly. Encap- 

 sulated in the mucoid phase. Non-motile. Gram -negative. Fermentation reactions 

 are highly variable but usually a number of carbohydrates are fermented. Nitrites 

 are produced from nitrates. Aerobic, growing well on ordinary culture media. En- 

 countered frequently in the respiratory, intestinal and genito-urinary tracts of man, 

 but may be isolated from a variety of animals and materials. 



The type species is Klebsiella pneumoniae (Schroeter) Trevisan. 



* Rearranged by Prof. M. W. Yale, New York State Experiment Station, Geneva, 

 New York, Nov., 1938; further revision by Dr. O. B. Chapman, Syracuse Medical 

 College, Syracuse, New York, December, 1945. 



