INDEX. 



367 



Pagb. 

 Sugar cane, Cobb's disease^continued. 



dwarfing 92 



saprophytes in 32 



susceptible varieties 95 



tissues attacked 69 



Summerville, disinfectants, testing of 195 



Surface bacteria, transference from seeds to seedlings 34 



Surface flora of plants 30 



literature 35 



Susceptible varieties 95 



Susceptibility, cause of 38, 189 



Susceptibility, soft-rot organisms 1 89 



Sweet-corn, 



conditions favoring disease 189 



(See Stewart's disease of sweet-corn.) 

 Swingle, D. B., 



Bacterium campestre, freezing 326, 332 



bean-varieties susceptible to Bacterium phaseoli . . 95 



Swingle, W., germicidal treatment of seeds 198 



Symbiosis 96, 147 



algae and nitrogen-fixing bacteria 153 



Azotobacter and Oscillaria 154 



bacteria with bacteria 172 



bacteria with fungi 168 



bacteria with Myxomycetes 169 



bacteria with yeasts 155 



beer-seed 166 



ginger-beer plant 162, 166 



kefir 155 



literature 173 



mycorrhiza 147 



Myxobacteriaceae 168 



supposed with insectivorous plants 147 



Volvox and Azotobacter 153 



Tacke, root-nodules, Leguminosae, soil-inoculations 



121, 122 



Taka-diastase, Newcombe's work 88 



Tannin, effect on bacteria 29 



Temperature, remarks on 4 



Tharandt, experiment at, with root-nodule bacteria, 

 showing biological and physiological differ- 

 ences IIS 



Thaxter, Myxobacteriaceae 168 



Thiele, root-nodules, Leguminosae, soil-inoculations . 121 



Tiedemann, tryptic digestion, test for 153 



Tischutkin, bacteria in excretions of carnivorous 



plants 148 



Tischutkin, insectivorous nature of Pinguicula 147 



Tissues attacked 69 



Tobacco brown-rot, reaction of host 90 



Tobacco smoke, insecticide 202 



Tobacco water, insecticide 202 



Tobacco-wilt, 



(See also Bacterium solanacearum.) 



nematodes as carriers 190 



resistant varieties 95 



Tomato, 



bacterial disease disseminated by nematodes 40 



brown-rot, 



(See Bacterium solanacearum.) 



tumefaction on 6 



Tomatoes, conditions favoring disease 189 



Tomato-wilt 190 



nematodes 190 



root-infection 190 



Toumey, almond gall, double nuclei 93 



Toxin, secreted by B. subtilis 5° 



Toxin, secreted by B. vulgatus 50 



Toxines 37 



Trecul, bacteria, theory regarding origin 23 



Treub, bacteria in the liquid of the pitchers of Spath- 



odea, normal occurrence of 34 



Trevisan, Bacillus beyerinckii 99 



Trevisan and de Toni, description of bacterial species 1 1 



Troop, cucurbit wilt, dissemination by insects 298 



Page. 



Trypsin 152, i53 



Tryptic digestion, test for 153 



Tschirch, root-nodule organism 103 



Tubercular disease, leaves of Javan rubiaceous plants 63 



Tumefaction on tomato 6 



Tumor development, crown-gall, mechanism 73 



Tumor strand, crown-gall, bacteria in 73 



Tumor strand, crown-gall, development of 73 



Tumors, animal, origin of 74 



Tumors, fish, attempt to produce with Bact. tume- 



faciens 182 



Tumors, secondary 71 



crown-gall, origin of 73 



crown-gall, structure of 72 



Turnip, black-rot, 



(See black-rot of cruciferous plants.) 



Turnip, white-rot organism, effect of chloroform on . 83 

 Tyloses, 



Bacterium mori 91 



Bacterium solanacearum 91 



Typhoid fever bacillus, inoculations on plants 174, 



178, 180 



Uffelmann, cholera vibrio disseminated by plants ... 1 85 



Van Delden, Chroococcum, symbiosis 172 



Van Hall, 



B. omnivorus, effect of chloroform on 83 



bacterial diseases of plants, views on 19 



black-rot of cruciferous plants 305 



facultative parasites in the soil 48 



Van Tieghem, 



contribution to plant bacteriology 9 



inoculations with Bacillus amylobacter 78 



solvent action of bacteria on cell-walls 77 



Varieties, 



immune 95 



susceptible 95 



Vascular diseases. 4, 209 



Ventilation, imperfect, cause of disease 1 89 



Vessels, bacteria in 4, 69 



Viala, 



bacterial diseases of plants, views on 13 



Mai nero, organism isolated from, pathogenic to 



animals 181 



schizomycete in vine cuttings 70 



supposed vine parasite pathogenic to rabbits 181 



Vicia faba, bacteria on the surface of 33 



Vines, Nepenthes, proteolytic enzym of . . . . 148, 149, 152 

 Virulence, 



loss of, Bact. savastanoi 94 



loss of, Bact. tumefaciens 94 



reduction of 65 



Virus, secreted by B. subtilis 49 



Volker, Nepenthes, analysis of pitcher liquid 148 



Volvox, symbiosis with Azotobacter 153 



Von Faber, beet scab 64 



Von Feilitzen, root-nodules, Leguminosae, soil-inocu- 

 lations 121 



Von Freudenreich, 



effect of formalin on galactase, pepsin and pan- 



creatin 83 



kefir 159 



Von Tubeuf, bacterial diseases of plants, views on. . 13 



Vuillemin, bacteria in cultures of Myxomycetes. ... 170 

 Waite, 



insect distribution of pear-blight 190 



pear-blight, control of, by excision 191 



pear-blight, inoculation experiments 55 



Wakker, bacterial disease of hyacinths 7, 191, 336, 



337,342,343,344,345,351,352 



(See yellow disease of hyacinths.) 



Walker, disinfectants, testing of 195 



Walnut-blight, resistant varieties 95 



Walnuts, Pierce's disease, infection 63 



Ward, H. Marshall, 



bacterial diseases of plants, views on 12, 18 



