FAMILY PARVOBACTERIACEAE 



577 



teroides trichoides Hauduroy et al., 

 Diet. d. Bact. Path., 1937, 78; Pr^vot, 

 loc.cit., 292.) From a case of choleocysti- 

 tis. For a description of this species, 

 see Manual, 5th ed., 1939, 572. 



24. Ristella glutinosa (Guillemot and 

 Hall^) Pr^vot. {Bacillus glutinosus 

 Guillemot and Halle, Arch. M^d. Exp. 

 et Anat. Path., 16, 1904, 599; Bacteroides 

 glutinosus Hauduroy et al.. Diet. d. 

 Bact. Path., 1937, 61; Prevot, loc. cit., 

 292.) From purulent pleurisies. 



25. Ristella capillosa (Tissier) Prevot. 

 (Bacilbis capillosus Tissier, Ann. Inst. 

 Past., £2, 1908, 189; Prevot, loc. cit., 

 292.) From the intestines of infants. 

 For a description of this species, see 

 Manual, 5th ed., 1939, 573. 



26. Ristella cylindroides (Rocchi) Pre- 

 vot. (Bacteriimi cylindroides Rocchi, 

 Lo stato actuale delle nostre cognizioni 

 sui germi anaerobi Gamberine e Parmez- 

 ziani, Bologna, 1908; Prevot, loc. cit., 

 292.) From the human intestine. For 

 a description of this species, see Manual, 

 5th ed., 1939, 574, 



Genus II. Pasteurella Trevisan. 



Four species. See Bacteroides vul- 

 gatus, Bacteroides ovatus, Bacteroides 

 convexus, and Bacteroides coagulans. 



Genus III. Dialister Bergey et al. 

 Two species. See Dialister. 



Genus IV. Capsularis Prevot. 



(Loc. cit., 290.) 



Characters as for the genus Ristella, 

 but capsulated. 



1. Capsularis zoogleiformans (Wein- 

 berg et al.) Prevot. {Bacillus mucosus 

 anaerobius Prausnitz, Cent. f. Bakt., I 

 Abt., Orig., 89, 1922, 126; Bacterium 

 zoogleijormans Weinberg et al., Les 



Microbes Anaerobies, 1937, 725; Bac- 

 teroides praussnitzii Hauduroy et al., 

 Diet. d. Bact. Path., 1937, 68; Prevot, 

 loc. cit., 293.) From a purulent em- 

 pyema in man. For a description of this 

 species, see Manual, 5th ed., 1939, 576. 



2. Capsularis mucosus (Weinberg et 

 al.) Prevot. {Coccobacterium mucosum 

 anaerobicum Klinger, Cent. f. Bakt., I 

 Abt., Orig., 62, 1912, 186; Bacterium 

 mucosum Weinberg et al., Les Microbes 

 Anaerobies, 1937, 727; Bacteroides vis- 

 cosus Hauduroy et al., Diet. d. Bact. 

 Path., 1937, 81; Prevot, loc. cit., 293.) 

 From a brain abscess following bron- 

 chiectasis in man. For a description of 

 this species, see Manual, 5th ed., 1939, 

 575. 



3. Capsularis variabilis. See Bac- 

 teroides variabilis. 



Genus V. Zuberella Prevot. 

 {Loc. cit., 290.) 



Characters as for the genus Ristella, 

 but motile with peritrichous flagella. 



1. Zuberella serpens. See Bacteroides 

 serpens. 



2. Zuberella praeacuta (Tissier) Pre- 

 vot. {Coccobacillus praeacutus Tissier, 

 Ann. Inst. Past., 22, 1908, 189; Prevot, 

 loc. cit., 293.) From the intestines of 

 infants. For a description of this spe- 

 cies, see Manual, 5th ed., 1939, 577. 



3. Zuberella clostridiiformis mobilis 

 Prevot. {Bacterium clostridiiformis 

 Chouk^vitch, Ann. Inst. Past., 25, 1911, 

 345; Prevot, loc. cit., 293.) From the 

 intestines of a horse. Chouk^vitch con- 

 sidered his organism the same as Anker- 

 smit's Bacterium clostridiiformis, al- 

 though the former was motile. 



4. Zuberella aquatilis Prevot. (Spray 

 and Laux, Amer. Water Works Assoc, 



