Oct. 4, 1915-Mar. 27, 1916 
Index 
1197 
Page 
Enzyms of Apples and Their Relation to the 
Ripening Process (paper). 103-116 
Epicauta vittata , carrier of Cercospora per- 
sonata .898-899 
Ertosoma pyri, identity of. 1115-1119 
Errata. vn 
Esterase, determination of, in flesh of Malus 
sylvestris . 111,112 
Evaporation, ratio of transpiration to.634-637 
Experiments in the Use of Current Meters in 
Irrigation Canals (paper). 217-232 
Factors Influencing the Longevity of Soil 
Micro-organisms Subjected to Desiccation, 
with Special Reference to Soil Solution 
(paper). 927-942 
Factors Involved in the Growth and Pycni- 
dium Formation of Plenodomusfuscomacu- 
lans (paper). 7i3~7 6 9 
Fagopyrum tataricum — 
composition of seeds of. 1162 
effect of green manure on germination of.. 1162 
Fate and Effect of Arsenic Applied as a Spray 
for Weeds (paper).459^463 
Fertility, swine— 
inheritance of. 1145-1160 
nongenetic factors affecting. 1146-1148 
Fertilizer— 
effect of, on North Carolina soils. 577-581 
requirements, relation of, to petrography of 
North Carolina soil. 569-582 
Field pea, Canada. See Pisum arvense. 
Firefly. See Chauliognatkus sp. 
Flax. See Linum usitatissimum. 
Float, surface, measurement of water velocity 
with. 222-226 
Flow through Weir Notches with Thin 
Edges and Full Contractions (paper).. 1051-1113 
Forest nurseries, disease in, caused by Peri- 
dermium jilameniosum . 781-785 
Fowl, domestic- 
frequency of occurrence of tumors in-397-404 
measurement of winter cycle in egg produc¬ 
tion of. 429-437 
percentage of, affected with tumors. 398 
Fragaria — 
americana, host plant of Comandra um¬ 
bellate . 134 
virginiana, host plant of Comandra um¬ 
bellate .. 134 
Fred, E. B. (paper), Relation of Green Man¬ 
ures to Failure of Certain Seedlings- 1161-1176 
Frequency of Occurrence of Tumors in the 
Domestic Fowl (paper). 397-404 
Fungus- 
effect of— 
natural low temperature on. 651-655 
on germination of seeds. 1172-1174 
Further Studies on Peanut Leafspot 
(paper).891-902 
Fusarium — 
coeruleum — 
diagnostic characters of... 203-204 
parasite of Solanum tuberosum . 184 
taxonomic arrangement of.. 203-204 
culmorum, parasite of Solanum tuberosum. 184 
Fusarium —Continued. Page 
discolor var. sulphureum — 
diagnostic characters of. 207 
parasite of Solanum tuberosum . 184-185 
taxonomic arrangement of. 207 
eumartii — 
cause of dryrot... 198-201 
diagnostic characters of. 203-205 
taxonomic arrangement of. 203-205 
gibbosum , parasite of Solanum tuberosum. . . 184 
hyperoxysporum — 
diagnostic characters of. 206 
parasite of Ipomoea batatas . 189 
taxonomic arrangement of. 206 
martii , parasite of Solanum tuberosum 186,201-203 
moniliforme, parasite of Solanum tube¬ 
rosum . 186,201,203 
orihoceras , parasite of Solanum tuberosum. . 184 
oxysporum, parasite of Solanum tuberosum 187-191 
radicicola — 
cause of— 
dryrot. 195,196 
jelly-end rot. 194-195 
diagnostic characters of. 205-206 
taxonomic arrangement of. 203,205-206 
rubignosum, syn. Fusarium culmorum . 
solani — 
parasite of Solanum tuberosum . 186, 
188,189,201,203 
diagnostic characters of. 203-204 
taxonomic arrangement of. 203-204 
sp. of conifers, effect of low temperature on. 652 
spp. — 
results of inoculation of Solanum tube¬ 
rosum with. 201-203 
causal organism of potato tuber-rot_ 183-210 
subulatum , parasite of Solanum tuberosum .. 184 
trichotkecioides — 
diagnostic characters of. 207 
parasite of Solanum tuberosum . 184,185 
taxonomic arrangement of. 207 
vasinfectum, parasite of Solanum tube¬ 
rosum . 186,192-194 
ventricosum, parasite of Solanum tuberosum . 184 
Galerucdla cavicollis — 
control of. 949 
habits of.945-948 
life history of. 945-948 
outbreaks. 944 
parasite of Prunus Pennsylvania . 944 
Gas, residual, determination of, in respiration 
calorimeter. 310-314 
Gaylussacia frondosa . host plant of Comandra 
umbellate . 134 
Germination— 
effect of— 
aeration on. 1168 
ammonium hydroxid on. 1168-1169 
bacteria on. 1171-1172 
carbon dioxid on. 1169 
fungi on. 1172-1174 
green manure on. 1161-1165 
heat on.... 1170-1171 
position of green manure on. 1167 
soil type on. 1167 
temperature on. 1168 
time of planting on. 1164-1165 
