720 
Journal of Agricultural Research 
voi.xi 
Page 
Page 
Endrot of Oxycoccus macrocarpus — 
causal organism. 36-38 
characteristics. 36 
control.’. 39 * 4 ° 
Energy— 
chemical, relation to feed consumed Ijy 
cattle. 457 
loss in excreta of cattle. 454-456,462-463,468 
metabolizable, relation to feed consumed 
by cattle... 456-457 
Enzym— 
in butter, relation to deterioration during 
storage. 447 
milk and butter, comparison.. 447 
Enzyms of Milk and Butter (paper). 437 - 45 ° 
Errata. IV 
Ether, effect on permeability of leaves of 
Lycopersicon esculentum . 333 
Bupatorium — 
ageratoides , syn. Bupatorium uriicaefolium. 
perfoliatum , resemblance to Eupatorium 
uriicaefolium . 7 °° 
uriicaefolium — 
cause of milk sickness. 699-716 
description. 70° 
distribution. 7°° 
lethal dose. 7°6 
resemblance of Eupatorium perfoliatum 
to. 7 °° 
toxic dose. 7°6 
use as medicine. 7 °° 
Eupatorium urticaefolium as a Poisonous 
Plant (paper). 699-716 
Evaporation, moisture, effect on movement 
of soluble salts through soils. 543-544 
Experiments in Field Technic in Rod Row 
Tests (paper). 399 - 4*9 
Fairbank,H. S.,and Goldbeck, A. T. (paper): 
Tests of a Large-Sized Reinforced-Concrete 
Slab Subjected to Eccentric Concentrated 
Loads. 505-520 
Fairy ring, fungus. See Fungus fairy ring. 
Farm crop plot tests, technic in.399-419 
Feed, cattle— 
digestibility. 453“454> 465-46 7 
net energy values in.461-463 
Festuca ocloflora , effect of fungus fairy rings 
on. 329-237,239-240 
Ficus carica , host plant of Ptychodes trilin- 
eatus .371-382 
Field technic in rod row tests. 399-4*9 
Fig. See Ficus carica. 
Fir— 
Douglas. See Pseudotsuga taxifolia. 
lowland or "grand." See Abies grandis. 
noble. See Abies nobilis. 
silver. See Abies amabilis. 
whitebark. See Pinus albicaulis. 
Fire, forest- 
effect on natural reproduction of seed. 1-26 
See also Bum. 
Flax. See Linum usitatissimum. 
Flaxwilt: A Study of the Nature and Inherit¬ 
ance of Wilt Resistance (paper). 573-606 
Flaxwilt. See also Fusarium Uni. 
Florida velvet bean. See Stizolobium deer- 
ingianum. 
Fly, house. See Musca domestica. 
Forest, natural reproduction of. 1-26 
Foster, W. D., and Ransom, B. H. (paper): 
Life History of Ascaris lumbricoides and 
Related Forms. 395-398 
Freezing-point lowering, induced by soluble 
salts, determination of. 535~545 
Fries, J. A., and Annsby, H. P. (paper): 
Influence of the Degree of Fatness of Cattle 
upon Their Utilization of Feed.451-472 
Fumigation- 
plant, with hydrocyanic-add gas.319-338 
soil— 
with hydrocyanio-add gas.421-426 
with sodium cyanid. 43*~434 
Fungus, relation of temperature to growth on 
Oxycoccus macrocarpus . 521-529 
Fungus, cause of fairy rings. 191-246 
Fungus fairy ring- 
advance. 204-208,214-217 
age. 214-217 
ammonia in soil of. 221-225 
carbon in soil of. 219-220 
cause.. *. 192-196 
death of vegetation in. 336-237 
distribution. 203-204 
effect of— 
cultivation on. 233 
soil moisture on f rui ting bodies. 208-217 
weather on fruiting bodies .. 208-217 
effect on— 
chlorophyll content of plants in.235-236 
grazing... 233 
physical changes in soil. 225 
revegetation. 238-240 
vegetation. 229-237 
eradication. 237-238 
nitrogen in soil of. 220 
soil-moisture in. 226-229,236-237 
stimulated growth in. 233-235 
succession induced by. 238-240 
types. 196-203 
Fungus Fairy Rings in Eastern Colorado and 
Thdr Effect on Vegetation (paper). 191-246 
Fusarium — 
conglutinans — 
penetration of Brassica oleracea by... 576-578 
penetration of Linum usitatissimum by 576-578 
Uni — 
causal organism of flaxwilt. 573-606 
inheritance through hybridization of re¬ 
sistance to. 588-600 
mode of penetration of Linum usitatissi¬ 
mum by. 575*579 
probable factors in wilting of Linum usi¬ 
tatissimum by. 581 
relation to tissues of Linum usitatis¬ 
simum . 579“588 
putrefaciens — 
causal organism erf endrot of Oxycoccus 
macrocarpus .36-38 
control. 39 * 4 ° 
cultural characters. 39 ^ 4 * 
