INDEX 
Page 
Absorption, arsenical injury of fruit-tree roots 
by.3 n—313 
Acid, arsenic, injury to fruit trees. 298-299 
Acidity, development in fermenting com 
silage... 368-374,376^-377 
Albumin, estimation.!.451-455 
Alcohol, formation in fermenting com si¬ 
lage. 368-373,376-377 
A Iternaria sp., temperature relations. 139-164 
Althea. See Hibiscus syriacus. 
Amino nitrogen, change in fermenting corn 
silage.368-369,372,375 
Ammonia nitrogen, change in fermenting 
com silage. 372 
Ammonium arsenate, injury to fruit trees... 298-299 
Anthrax— 
serum. See Serum, anthrax. 
treatment in man. 52-53 
Antigen, tuberculosis— 
comparative tests. 14-16 
preparation. 5-10 
standardization. 8-10 
Apiary, spore-forming bacteria— 
comparison of species. 399-412 
description of species. 399-412 
inoculation.412-420 
Apple-rot fungi, temperature relations. 139-164 
Apple. See Malus sylvestris. 
Arachis hypogaea , wilt of— 
casual organism.441-448 
description.442-443 
dissemination of. 444-445 
effect of rotation. 445 
history.441-442 
injury by... 443 
varietal resistance to wilt. 445-447 
Arsenic— 
acid, injury to fruit trees. 298-299 
injury to fruit trees. 283-318 
trioxid, injury to fruit trees.. 299-301,308,309,313 
trisulphid, injury to fruit trees. 299-301 
washing, effect on fruit-tree injury.302-303 
Arsenical Injury Through the Bark of Fruit 
Trees (paper). 283-318 
A spergillus niger , temperature relations. 152 
Availability of Potash in Certain Orthoclase- 
Bearing Soils as Affected by Time or Gyp¬ 
sum (paper). 21-28 
Bacillus — 
alvei .412-414 
atrosepticus — 
biochemical characters. 112-119,123-124 
cultural characters. 105-112,123 
description. 97-98,122-124 
group number. 120 
inoculation. 98-124 
Page 
Bacillus —Continued. 
atrosepticus—continued. 
morphology. 103-105,12 2-12 3 
nomenclature. 121-122 
pathogenicity. 119-120,124 
physical characters. 112-119,123-124 
relation of temperature to growth. 116-119 
larvae .412,416 
melanogenes — 
biochemical characters. 112-119 
cultural characters. 105-112 
description. 98 
group number. 120 
inoculation. 98-124 
morphology. 102-105 
nomenclature. 121-122 
pathogenicity. 119-120 
physical characters. 112-119 
relation of temperature to growth. 116-119 
meseniericus — 
description.405-407 
inoculation.412-418 
orpheus , description.410-411 
pluton .412,417 
phytophthorus — 
biochemical characters. 112-119 
cultural characters. 105-112 
description. 95-96 
group numbers. 120 
inoculation.98-124 
morphology. 102-105 
nomenclature. 121-122 
pathogenicity. 120 
physical characters. 112-119 
relation of temperature to growth. 116-119 
solanisaptus — 
biochemical characters. 112-119 
cultural characters. 105-112 
description.96-97 
group number. 120 
inoculation.98-124 
morphology.102-105 
nomenclature. 121-122 
pathogenicity. 119-120 
physical characters. 112-119 
relation of temperature to growth. 116-119 
vulgatus- 
description.407-410 
inoculation.412-418 
Bacterium — 
malvacearum — 
causal organism of angular leafspot of 
cotton.461-475 
dissemination.464-472 
infection of seed of Gossypium spp.462-464 
tumefaciens —■ 
causal organism of crowngall. 165-186 
growth.407-409 
78368°—17 -2 (477) 
