ate, propionate, salic3'late, valerate, oxal- ate, butyrate, mandelate, benzoate (0.5 I)er cent), ethanol, methanol, iso-amyl alcohol, n-amyl alcohol, tertiary bntanol, n-propanol and luniichrome are not utilized as carbon sources. Starch is hN'drolj^zed. Chitin is hydrolyzed. Lipolytic. Nitrites produced from nitrates. Ammonia produced from peptone. Urease-negative. Casein is hj'drolj-zed. Trimethylamine not produced from tri- methylamine oxide, choline or betaine. Growth not inhibited bj' 10 per cent NaCl. Aerobic, facultative. Optimum temperature, between 20° and 30° C. Growth at 4° C. Source: Isolated from marine mud. Habitat : Found in sea water. 5. Beneckea indolthetica (Campbell and Williams, 1951) Campbell, comb. nov. (Flavobacterium indoltheticum Campbell and Williams, Jour. Gen. Microbiol., 5, 1951, 894.) in.dol.the'ti.ca. M.L. noun indolum in- dole; Gr. adj. theticus positive; M.L. adj. indoltheticus indole-positive. Rods, 0.4 to 0.9 by 1.0 to 1.5 microns, occurring singly, in pairs and in occasional clumps. Motile by means of peritrichous flagella. Gram-negative. Gelatin stab: Crateriform liquefaction. Agar colonies: Circular, smooth, entire, opaque, yellow to yellow-orange. Agar slant: Yellow to yellow-orange, smooth, opaque growth. Broth: Turbid; slight surface scum; yellow to orange sediment. Litmus milk: Acid in 2 days. Indole is produced. Hydrogen sulfide not produced. Acid but no gas from glucose, fructose, sucrose, maltose, dextrin, mannose, raffi- nose, trehalose and cellobiose. No acid from lactose, arabinose, rhamnose, xylose, inulin, mannitol, salicin, dulcitol, inositol, melezi- tose or adonitol. Glucose, fructose, sucrose, maltose, dex- trin, mannose, raffinose, salicin, cellobiose, trehalose, pyruvate (0.3 per cent), acetate. chitin, starch, glycogen and glucosamine are utilized as carbon sources. Lactose, arabinose, rhamnose, xylose, inulin, man- nitol, dulcitol, galactose, inositol, melezi- tose, adonitol, succinate, malate, fumarate (0.5 per cent), lactate, malonate, tartrate, citrate, levulinate, |3-alanine, asparaginate, propionate, salicylate, valerate, oxalate, butyrate, mandelate, benzoate (0.5 per cent), ethanol, methanol, n-amyl alcohol, iso-amyl alcohol, tert.-butanol, n-propanol and lumichrome are not utilized as carbon sources. Starch is hydrolyzed. Chitin is hydrolyzed. Non-lipolytic. Nitrites not produced from nitrates. Ammonia produced from peptone. Urease-negative. Casein is hydrolyzed. Trimethylamine not produced from trimethylamine oxide, choline or betaine. Growth inhibited by 10 per cent NaCl. Aerobic, facultative. Optimum temperature, between 20° and 30° C. No growth at 4° C. Source: Isolated from marine mud. Habitat: Found in sea water. 6. Beneckea lipophaga (Campbell and Williams, 1951) Campbell, comb. nov. {Achromobacter lipophagiim Campbell and Williams, Jour. Gen. Microbiol., 5, 1951, 894.) li.po'pha.ga. Gr. noun lipus fat; Gr. v. phagein to devour; M.L. noun lipophaga fat- destroyer. Small rods, 0.4 by 1.0 micron, occurring singly, in pairs and in small clumps. Motile by means of peritrichous flagella. Gram- negative. Gelatin stab: Saccate liquefaction. Agar colonies: Circular, smooth, entire, glistening, opaque, non-pigmented. Agar slant: Abundant, filiform, glisten- ing, opaque, non-pigmented growth. Broth: Uniformly turbid. Litmus milk: Acid in 4 days with slight peptonization. Indole not produced. Hydrogen sulfide not produced. Acid but no gas from glucose, maltose and mannose. No acid from fructose, lac-
