INDEX. 



2 9 I 



, 253 



, 254 



PAO. 



Bacterium solanaceanim (Sumatran tobacco) cont. 

 Honing's studies continued. 



phcnolphtbalein, reaction to (milk cultures) . . . 248 

 physiological characters, variations in ........ 253 



physiology ................................ 247 



polar staining ....... ............. 247, 253 



potassium nitrate as nitrogen food. 250, 251, 254, 257 

 potassium nitrate plus glucose as food ........ 251 



plus saccharose as food . 251 



potassium nitrite as nitrogen food ............ 250 



potato and tomato- wilt organism, relation to . . 244 



(See also "comparison, etc.") 



protein as carbon-nitrogen food ............. 250 



quercit as carbon food . . .251, 252, 253 



raffinose as carbon food ............. 251, 252, 



relation of tobacco-wilt organisms (Sumatra 

 and Japan) and Bact. solanaceanim Smith 

 described from potato and tomato . . 244, 

 (See also "comparison, etc.") 

 rhamnose as carbon food ............. 251, 252, 253 



saccharose, action on ........... 249 



as carbon food ................... 251, 252, 253 



plus asparagin as food ....... ....... 25 1 



plus potassium nitrate as food . 25 1 



saprophytes, 

 associated with ................. 258 



inhibiting action ....................... 259 



similarity of tobacco-wilt organisms (Sumatra 

 and Japan) and Bact. solanaceanim Smith, de- 

 scribed from potato and tomato ....... 244,254 



(See also "comparison, etc.") 



sodium salts as carbon food ......... 251, 252, 253 



sodium selenite, reduction of ............ 249,253 



sorbit as carbon source ............. 251, 252, 253 



spores ................................ 247. 253 



staining of culture media ........ 247, 248, 249 



starch, 

 action on ......... . 249 



as carbon food ....................... 251, 253 



strains, variability ....... 244, 250, 251, 252, 257 



sugars, growth in .......... 249, 251, 252, 253,254 



summary ............................. 253, 258 



temperature relations ....................... 349 



thermal death-point ........................ 249 



tomato and potato-wilt organism, relation to . . 244 



(See also "comparison, etc.") 



transmission of ............................. 254 



tyrosin as carbon-nitrogen food . . . 249, 250, 253 

 variability 

 effect of alkalinity on ..................... 258 



effect of light ............................ 258 



effect of temperature ................... 258 



in carbon and nitrogen-compound tests ... 253, 



256. 357. 258 



in cultural characteristics .250,251,252,253,256,257 

 in milk .......................... 253 



in toleration of acid ...... 257 



in toleration of alkali .................. 257 



in virulence ............................. 244 



variations, transitory nature of ............. 258 



virulence, loss ................... . 253 



Bacterium solanacearum var. Asiaticum nov. 



Hunger's observations ..... 



Bacterium stalactitigenes, associated with Bact. 



solanacearum in Sumatra ................. 259 



Bacterium steward ........................ 9. '3' 



(See also. Corn, Stewart's bacterial disease.) 



acids, toleration of certain ................. 136, 144 



acid fuchsin. effect of ............... 140 



acid production .... . 139, H 2 . '45 



aerobism, pronounced ......................... 138 



agar stabs, growth in ........................ 133 



agar streaks ................... . 134 



alkali produced ........ . M- 



alkali, toleration of ........................... 138 



Bacterium stewarti continued. 



animals, no experiments with ... 144 



asparagin, not a carbon food 145 



cane-sugar favors growth 138 



capsule 132 



chains 132 



chloroform, slight retarding effect of. ... 143, 144, 145 



colonies, appearance of 133 



color on media ... .. 133,134,135,137,138 



comparison with Apl. michiganense on potato. . . . 164 



crystals 133,142,144 



cultural characteristics. . ... 133 



cytase, doubtful occurrence 142 



description ... 132 



dextrin, no increased growth with 138 



dextrose, increased growth with 142 



diastase 142, 145 



discoloration of bundles 16 



discovery of organism 91 



dissemination through infected seed 114, 127 



dry air, resistance to 144 



endosporcs not seen 132 



enzymes 142, 145 



ethyl alcohol, no acid from 139 



fermentation tubes, growth in 138, 145 



filaments 132 



flagella, polar 91, 132 



formalin, infected seeds treated with 128 



galactose favors growth 138 



gas production not seen 138, 145 



gases other than air, behavior in 138, 139 



gelatin not liquefied 133 



germicides 142 



glycerin, no acid from 139 



no increased growth with 138 



some acid from 139 



Gram's stain 132 



group number 145 



growth on or in, 



acid beef-bouillon. ... 136, 138, 141, 145 



agar.. 133.142,144 



agar in atmosphere of hydrogen 139 



agar plus potassium formate and phenolphthalein 143 



alcohols 139, 145 



alcohol agars 139 



alkaline beef-bouillon 138, 141, 144 



alkaline beef-bouillon in vacuo 139 



ammonium salts 140, 141 



asparagin water. . ... 141, 144, 145 



beef-bouillon in atmosphere of carbon dioxide . . 139 

 beef-bouillon in atmosphere of hydrogen. . 138, 139 



beef- bouillon over chloroform 143, 144, 145 



beef-bouillon concentrated and strongly acid. . . 136 



Ix-of-bouillon plus ethyl alcohol 139 



beef-bouillon plus glycerin 139 



beef-bouillon plus peptone 136, 144 



beef-bouillon plus sodium chloride 138 



cabbage-juice 136, 138, 144 



cane-sugar 139, 142 



cane-sugar plus asparagin 144 



cane-sugar agar plus litmus 139 



cane-sugar starch jelly 138 



cane-sugar water 140, 141 



cane-sugar water plus ammonium citrate 140 



cane-sugar water plus ammonium lactatc. . 140, 141 

 cane-sugar water plus ammonium tartrate . . 1 40, 1 4 1 



cane-sugar water plus asparagin 140, 141 



carbon dioxide 139, 145 



carrot cylinders 142 



carrot cylinders in vacuo 139 



coconut cylinders 135, 142, 144 



coconut cylinders in atmosphere of carbon 



dioxide 139 



coconut cylinders in atmosphere of nitrogen 1 38, 1 45 



coconut cylinders in vacuo 139 



Cohn's solution 138, 140, 144 



