498 



ORDER IV. EUBACTERIALES 



Aerobic, facultatively anaerobic. 



Optimum temperature, between 20° and 

 25° C. 



Source: Found associated with marine 

 sedentary organisms. 



Habitat: Not known from other sources. 



12. Brevibacterium marinopiscosiim 



(ZoBell and Upham, 1944) Breed, 1953. {Bac- 

 teriurn tnarinopiscosus (sic) ZoBell and Up- 

 ham, Bull. Scripps Inst. Oceanography, La 

 Jolla, 5, 1944, 258; Breed, Riassunti delle 

 Comunicazioni, VI Congresso Internaz. di 

 Microbiol., Roma, 1, 1953, 14; also see Atti 

 del VI Congresso Internaz. di Microbiol., 

 Roma, 1, 1955, 13.) 



ma. ri.no. pis. co'sum. L. adj. marinus of 

 the sea; L. adj. piscosus abounding in fish; 

 M.L. adj. marinopiscosus literallj^ marine 

 abounding in fish. 



Rods, 1.2 to 1.6 by 2.0 to 4.7 microns, with 

 rounded ends, showing granular staining 

 and occurring singly, in pairs and in long 

 chains. Non-motile. Gram-positive, but 

 many cells tend to decolorize leaving Gram- 

 positive granules. 



All differential media except the fresh- 

 water broth, litmus milk and potato were 

 prepared with sea water. 



Gelatin colonies: Gray, circular, convex, 

 1 mm in diameter. No pigment. 



Gelatin stab: Liquefaction napiform, be- 

 coming crateriform to stratiform with age. 

 Complete in 50 daj^s. 



Agar colonies: 2 to 4 mm in diameter, cir- 

 cular, convex, entire, smooth; irregular 

 edge. 



Agar slant: Luxuriant, beaded, glistening, 

 butyrous growth with no pigment. 



Sea-water broth: No turbidity; abundant 

 flocculent sediment; slight surface ring. 



Fresh -water broth: Good growth. 



Litmus milk: Decolorized; neutral; top 

 peptonized. 



Potato: Heavy, white, raised, mucoid, 

 dull growth. Potato darkened. 



Indole not produced. 



Hydrogen sulfide not produced. 



Acid but no gas from glucose and manni- 

 tol. No acid from maltose, lactose, sucrose, 

 glycerol, xylose or salicin. 



Starch is hydrolyzed. 



Non-lipolytic. 



Nitrites not produced from nitrates. 



Ammonia produced from peptone but not 

 from urea. 



Casein is digested. 



Aerobic, facultatively anaerobic. 



Optimum temperature, between 20° and 

 25° C. 



Source: Found on the skin of marine fish. 



Habitat: Not known from other sources. 



13. Brevibacterium tegumenticola 



(Steinhaus, 1941) Breed, 1953. (Bacterium 

 tegumenticola Steinhaus, Jour. Bact., 42, 

 1941, 775; Breed, Riassunti delle Comunica- 

 zioni, VI Congresso Internaz. di Microbiol., 

 Roma, 1, 1953, 13; also see Atti del VI Con- 

 gresso Internaz. di Microbiol., Roma, 1, 

 1955, 13.) 



te.gu.men.ti'co.la. L. noun tegumentum 

 cover, skin; L. suffix cola dweller; M.L. noun 

 skin dweller. 



Small rods, 0.5 to 0.8 by 1.0 to 1.5 microns, 

 with a tendency to be ellipsoidal on solid 

 media. Non-motile. Gram-positive. 



Gelatin stab: Generally no liquefaction, 

 although variable. 



Agar colonies: Tiny (1 mm), white, con- 

 vex, glistening, circular, entire. 



Agar slant: Filiform, glistening, grayish 

 white growth. 



Broth: Slight turbidity; sediment. 



Litmus milk: No change. 



Indole not produced. 



Hydrogen sulfide not produced. 



Acid slowly produced from glucose and 

 maltose. Acid from sucrose. Lactose not 

 fermented. 



Starch not hydrolyzed. 



Nitrites not produced from nitrates. 



Source: Isolated from the integument of 

 the bed-bug, Cimex lectularius L. 



Habitat: Unknown. 



14. Brevibacterium stationis (ZoBell 

 and Upham, 1944) Breed, 1953. {Achromo- 

 bacter stationis ZoBell and Upham, Bull. 

 Scripps Inst, of Oceanograph}^ Univ. of 

 Calif., 5, 1944, 273; Breed, Riassunti delle 

 Comunicazioni, VI Congresso Internaz. di 

 Microbiol., Roma, 1, 1953, 14; also see Atti 

 del VI Congresso Internaz. di Microbiol., 

 Roma, 1, 1955, 13.) 



sta.ti.o'nis. L. noun statio, stationis that 



