270 



BACTERIA Ii\T RELATION TO PLANT DISEASES. 



Page. 

 Anilin-dycs, 



differential diagnosis with 230 



watery solutions of 187 



Analin-dyes (basic), 



affinity of bacteria for 27 



use of, in vegetable tissues 29 



Anilin f uchsin 187 



Anilin gentian violet 187 



Anilin methyl violet 187 



Anilin stains, alcoholic solutions of 787 



Anilin-water 187 



Animal-fluids for culture-media, 



beef-broth 45 



blood-serum 48 



egg-albumen 48 



egg-yolk 40 



litmus-milk 48. 196 



milk 4'! 



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 171 



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 140 



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 12 



enters plant through nectaries 92 



flagella hard to stani igo 



hosts of 87 



nitrates not reduced by 113 



non-sporiferous 15S 



useful for comparison 29 



Pagp. 



Bacillus aroideae 115 



hosts of 86 



soft rot due to 115 



stain produced by 65 



thermal relations of 86 



variation in shape of colonics at different 



temperatures t8o 



Bacillus Butchlii, inner structure of 219 



Bacillus carotovorus, 



soft rot due to 103 



stain produced by 63 



thermal relations of 86 



tissues occupied by 5, 6 



Bacillus coli, 



effect of formalin on 229 



how differentiated from E. am>'lovorus. . 57, 113 

 method of differentiating" from B. typhosus. 229 



useful for comparison 29 



vitality of 72 



Bacillus denitrificans, size of t8 



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. 23S 

 pigmented and non-pigniented 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 frezing on 82 



effect of sodium chloride on 70 



susceptibility to dry air 71 



visciditi' of 20 



Bacillus tj'phosus, 



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, m cheese, etc 237 



branched forms 177, 2 77, 218, 237 



effect of chemicals on 74, 250 



eft'ect of freezing 79, 246, 247, 258 



effect of gases on 58, 237 



effect of heat on 75, 246 



effect of ions on 244 



effect of light on 77, 243 



effect of pressure on 245 



hanging-block cultures 22. 



