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
