INDEX. 207 



Page. 



Effects of crown-gall on the host plant 176 



Endospores 106,127,128,129,130,131,132 



Enzymes, oxydizing, excess of, in gall tissue 173 



Excision, tendency of galls to return after 165, 184 



Ferments, production of 125, 173 



Fermentation tubes, growth in 115 



Flagella 106, 127, 128, 129, 130, 131, 132 



Flask cultures, analysis of 174 



Forest trees, occurrence of crown-gall on 195 



Formalin, effect of, on organism 126 



Freezing, resistance to 123 



Gall-forming organisms, races of 156 



Gas production 115 



Gelatin, nutrient, plates, growth on 110 



stabs, growth in Ill 



streaks, growth on 110 



Germicides, effect of 125 



Glycerine in peptone water, growth in 115, 153 



Glycocoll and dextrose in river water, growth in 153 



Grafts, susceptibility to crown-gall 165 



Grape, injury caused by crown-gall 190 



Gram's stain, behavior toward 108, 127, 128, 129, 130, 131, 132 



Grape organism: 



Acid fast 130 



Cultural characters ; 140 



Flagella 130 



Gram's stain 130 



Inoculations 55 



Involution forms 130 



Measurements 130 



Spores 130 



Grape tumor ascribed to Fusicoccum viticolum 19 



Margarodes vitium 19 



Fusisporium 17 



Cavara's work on 13, 15 



Corvo's work on 13 



Cuboni's work on 13, 14 



names applied to 18 



Group number 126 



Growth of tumor 159 



Giissow, peach infection following galled raspberry 188 



Hairy-root of apple, isolation from 100 



location of organism in 101 



relation to crown -gall 100 



Halsted, work on peach tumor 19 



Hard gall of apple, isolation from 95, 96 



relation of. to soft gall 95 



Hard tissues, lesser susceptibility of 158 



Hedgcock, cross grafts of galls on fruit trees 19 



History of previous work on crown-gall 13 



Honeysuckle organism, inoculations with 53 



213 



