INDEX. 



293 



Bacterium stewarti continued. 



thermal death-point 143 



tissues attacked 89, 90, 91, 93, 131 



trypsin 142, 145 



Uschinsky's solution, good growth in 137 



virulence, retention of 142, 145 



viscidity 103, 126, 127, 132, 137 



vitality 142, 145 



wind, not borne by 121 



yellow pigment, 



color dependent on air 139, 142 



variable appearance of 142 



Bacterium sumatranum, associated with Bact. sola- 



nacearum in Sumatra 259 



Bacterium vascularum 54 



(See also Sugar-cane, Cobb's disease of.) 

 acid culture media, inhibiting effect on growth . 58 



61, 63, 67 



acid potassium phosphate, effect on growth 64 



acidity of cane-juice, relation to bacterial growth. 47 



aerobism 48, 64 



air-hunger 58, 64 



agar not stained by 56 



alcohol, slime of, insoluble in 7. 14 



alkali, effect on growth 58, 59, 61, 63, 67 



alkaline reaction of cultures 56, 57, 60, 61 



ammonium, effect on growth 64 



ammonium salts as nitrogen foods 63 



asparagin as nitrogen-food 63 



bacterial slime oozing from leaves and stems ... 16, 22, 



25.53.66 



calcium, effect on growth 64 



cane cuttings, disease transmitted by 48, 68 



cane slices, steamed, growth on 60 



cane-sugar, action of organism on 62 



cane-sugar, as carbon food 57, 63 



cane-sugar, effect on growth 64 



capsules 67 



carbon dioxide, effect on growth 64 



carbon foods 63, 64, 67 



chemical reactions of bacterial slime 7, 13, 14 



citric acid, effect on growth 63 



Cobb's studies 5,6, 7, 8, 12 



(See also Sugar-cane, Cobb's disease of.) 



colonies, appearance of 8, 55, 57, 67 



color of 54, 60 



conditions favoring spread of 48 



crystals, production of 56, 61, 67 



cultural characters 8, 54, 67 



culture media most favorable 65, 67 



description of organism 7, 8, 54 



dextrin, effect on growth 64 



dextrose as carbon food 63 



dextrose, effect on growth 64 



effect on sugar-cane 3 



fermentation-tube cultures 64 



flagella, staining 54 



gas-production, not observed 57. 64, 67 



gelatin, 



browning of 59 



color on 60 



growth on 8 



liquefaction of 57,59 



tear drops on 59, 67 



with cane-juice, growth on 65 



with fruit-sugar, growth on 57 



with glucose, growth on 57, 65 



geographical distribution 3 



glycerin, effect on growth . 63, 64 



Gram's stain, reaction to 54 



group number 67 



growth, best medium for 65 



growth best at 30 64, 65 



growth inhibited at blood temperature 64 



Pagb. 

 Bacterium vascularum continued, 

 growth on or in, 



acid agars 63, 67 



acid bouillons 61, 67 



acid fluids, Greig-Smith's investigations 61 



agar plus cane-sugar 56 



agar plus fruit-sugar 56 



agar plus peptone, levulose, potassium phosphate 



and tap- water 65 



agar plus peptone, saccharose, potassium phos- 

 phate and tap-water 65 



alkaline agars 63 



alkaline bouillons 61, 67 



beef-agar 56, 66 



beef-bouillon plus peptone 60, 67 



beef-bouillon plus potassium formate 61 



beet-cylinders 60 



beet-juice agar plus peptone and saccharose ... 67 



cane cylinders, steamed 47, 60, 67 



cane-juice agar plus peptone 56 



cane-sugar water plus peptone 62 



carrot 60 



cauliflower cylinders 60 



coconut cylinders 60 



Cohn's solution 67 



distilled water plus dextrose, glycerin and so- 

 dium asparaginate 64 



Dunham's solution 67 



Fischer's mineral solution 63 



fruit sugar-agar 56 



gelatin 8, 57, 59, 60, 65. 67 



gelatin plus 



cane-juice 57. 58, 65 



cane-sugar 57.58 



fruit-sugar 57 



glucose, Greig-Smith's description 57. 65 



peptone, dipotassium phosphate and malic 



acid 57 



peptone, dipotassium phosphate, malic acid 



and cane-sugar 58 



peptone, dipotassium phosphate, malic acid, 



cane-sugar and sodium hydrate 58 



glycerin agar 56 



Hunger's agar 57 



litmus lactose agar 57, 67 



litmus milk 61 



milk 66 



nitrate bouillon 61 



nutrient agar 54, 56, 66 



poured-plates 54 



slants 56 



stabs 56 



onion bulbs steamed 60 



peptone water plus 



cane-sugar (fermentation tubes) 64 



glycerin (fermentation tubes) 64 



grape-sugar (fermentation tubes) 64 



maltose (fermentation tubes) 64 



mannit (fermentation tubes) 64 



milk-sugar (fermentation tubes) 64 



oxalic acid 63 



potato, Greig-Smith's studies 65 



potato agar 57, 66, 67 



potato cylinders, steamed 60, 66, 67 



saccharose agar plus peptone 56 



silicate jelly 134 



sugar-agars 56, 65 



sugar-beet agar 56 



turnip 60 



Uschinsky's solution 62 



gumming, constant association of organism with . 8, 2 1 



gum, identity with bacterial slime 13 



(See also Sugar-cane, Cobb's disease of.) 

 gum-production, dependent on certain carbon foods 64 



host-plants 3 



indol reaction, faint 64 



