674 



INDEX 



Cancer, pre-cancerous stage, 483, 511, 



571 



theory as to cause of, 569 

 Cane diseases 



Australian, 52 

 East Indian, 52 

 Fiji, 52 



Porto Rican, 476 

 South American, 54 

 Canker of peach and plum, 13, 473 

 Cankers on plants as a result of bac- 

 terial infection, 50, 202 

 Capsule spot of cotton, 314. (See Bac- 

 terium malvacearum.) 

 Carbol fuchsin, 117 

 Card catalogues, use of, 130 

 Carnations, leaf spot of, 473. (See 



Bacterium woodsii.) 

 new type of infection found in, 48 

 Carnoy, fixative, formula of, 115 

 Carrot, soft rot of, 223. (See Bacillus 



carotovorus.) 

 Catalogues, 139 

 Cauliflower, 



black rot of, 145. (See black rot of 



crucif ers. ) 



Harrison's soft rot of, 239 

 McCulloch's spot of, 300. (See also 



Bacterium maculicolum.) 

 appearance of diseased tissues, 



300 



cause of disease, 304 

 cool weather disease, 308 

 description of pathogen, 304, 



306, 308 



figures illustrating, 301, 302, 307 

 geographical distribution, 304 

 histology, figure illustrating, 305 

 history of the disease, 304 

 immunity of very young and 



very old leaves, 302 

 incubation period short, 302 

 inoculation experiments, 311 

 literature, 313 



method of isolating causal or- 

 ganism, 310 



period of incubation, 302 

 stomatal infections in, 300, 301 

 type of infection, 300 

 tumors due to chemicals, 551 



Cauliflower, tumors formed by sand- 

 papering, 489 

 Cavara (Fridiano), 2 

 Cell-division, caused by lack of oxygen, 



516 



Cell-paralysis and cell-stimulus in tu- 

 mor formation, 566 

 Celery, blight of, 474 

 rot, common in England and United 



States, 64 



figures illustrating, 67. 244 

 losses from, 51 

 soft rot of, 240 

 Cellulose, doubtful action of pathogenic 



bacteria on, 46 



Centrifuges, use in Pathological Labora- 

 tory, 78 

 Chemical cell-stimulation, in chestnut 



wood, 478 



Chemicals, necessity for purity of, 107 

 Chemicals produced by crown gall, 483 

 Chemical stimulus resulting in tumor 



formation, 510 



Chemistry, need of, in pathology, 634 

 Cherry, Barss' blight of, in Washington 



and Oregon, 474 

 Cherry, German blight of, 474 

 Chestnut, tyloses in wood of, 478 

 China, bacterial diseases in, 53 

 Citrus canker, 61, 474 



appropriations by Congress to con- 

 trol, 61 



distribution of, 52, 62 

 figures illustrating, 59, 60, 61, 62 

 in Australia, 52 

 in Japan, 53 

 in India, 54 

 in Phillippines, 54 

 inspections in Florida for, 62 

 Cladosporium citri Massee, 62, 65 

 Clean hands, importance of, 108 

 Clear ideas, 644 

 Clearness, necessity of, in scientific 



writing. 643 



Coconut, bud-rot of, 474 

 figure illustrating, 9 

 in Philippines, 54 

 in South America, 54 

 in West Indies, 52 

 Coleus, freezing experiments with, 566 



