2-JO 



BACTERIA IN RELATION TO PLANT DISEASES. 



Page. 



Anilin-dyes, 



differential diagnosis with 230 



watery solutions of '87 



Analin-dyes (basic), 



affinity of bacteria for 2 7 



use of, in vegetable tissues 29 



Anilin fuchsin '^7 



Anilin gentian violet : 7 



Anilin methyl violet ^7 



Anilin stains, alcoholic solutions of 187 



Anilin-water T 7 



Animal-fluids for culture-media, 



beef-broth 45 



blood-serum 48 



egg-albumen 4 



egg-yolk 49 



litmus-milk 4, 196 



milk 46 



rice cooked in milk 48 



Anschiitz, normal thermometers 78 



Antagonistic action of bacteria 73 



Anthrax organism, 



asporogenous 222 



behavior when injected into plants 89 



branching in 216 



generic name for !7' 



Anthrax spores, substratum influences forma- 

 tion of 219 



Antiseptics, 



effect on form of bacteria 252 



kinds of 74 



literature on 250 



Aplanobacter, species included under genus. . 171 

 Apochromatic objectives, 



in photomicrography 139 



recommended for bacteriological work 130 



Spencer 14 



Zeiss 130 



Apparatus necessary in laboratory 95 



Apple blight, due to B. amylovorus 202 



Arnold steam-sterilizer 47 



Arthrospores, disputed existence of. .. 21, 158,218 

 Asparagin, 



in fermentation-tubes 52 



relation to pigment-production 65 



Atkinson, method for photographing poured 



plates 134 



Aujeszky, spore-stain 219 



Autoclave, for sterilization of culture-media. 84, 98 

 Bacillus, 



Cohn's genus 158 



Fischer's genus 157 



in Migula's classification 160 



Bacillus amylovorus, 



absence of pigment in 65 



distributed by insects 215 



effect of direct sunlight on 72 



enters plant through nectaries 92 



flagella hard to stain ; 190 



hosts of 87 



nitrates not reduced by 113 



non-sporiferous 158 



useful for comparison 29 



Page. 



Bacillus aroideae 115 



hosts of 86 



soft rot due to 115 



stain produced by 65 



thermal relations of 86 



variation in shape of colonies at different 



temperatures 180 



Bacillus Biitchlii, inner structure of 279 



Bacillus carotovorus, 



soft rot due to 103 



stain produced by 65 



thermal relations of 86 



tissues occupied by 5, 6 



Bacillus coli, 



effect of formalin on 229 



how differentiated from B. amylovorus. . 51, 113 

 method of differentiating from B. typhosus. 229 



useful for comparison 29 



vitality of 72 



Bacillus denitrificans, size of 18 



Bacillus hortulanus, isolation of, by heat. 106,211 

 Bacillus oleraceae, maximum temperature for. 86 



Bacillus oligocarbophilus 241 



Bacillus prodigiosus, 



culture-media for 238, 239 



for study of production of pigment 64 



magnesium sulphate necessary for pigment. 238 

 pigmented and non-pigmented races of. . 64,222, 



238 



reaction of color to acids and alkalies 65 



Bacillus rosaceus metalloides, rosette-like 



groupings 218 



Bacillus tracheiphilus, 



absence of pigment in 65 



action of block-tin on 97 



behavior in fermentation-tubes 53 



behavior toward acids and alkalies 70 



distributed by insects 178, 215 



effect of f rezing on 82 



effect of sodium chloride on 70 



susceptibility to dry air 71 



viscidity of 20 



Bacillus typhosus, 



action of copper on 74, 97 



behavior when injected into living plants. . . 89 



effect of formalin on 229 



Hiss' special medium for differentiating. .. . 230 



non-sporiferous 158 



Wurtz's method of differentiating 229 



Bacteria, 



action on photographic plate 242 



amount of acid tolerated 70 



animal origin of 264 



blue pigment forming, in cheese, etc 237 



branched forms 177, 217, 218, 237 



effect of chemicals on 74, 250 



effect of freezing 79, 246, 247, 258 



effect of gases on 58, 231 



effect of heat on 75, 246 



effect of ions on 244 



effect of light on 71, 243 



effect of pressure on 245 



hanging-block cultures 22 



