Oct. i-Dcc. 31, 1917 
Index 
723 
Page 
Page 
Milk- 
catalase in. 446 
composition of, in aged cows. 655-656 
enzyms. 437-450 
fat, influence of age of cow on. 647-655 
galactase in. ; 442 
influence of age of cow on. 645-657 
oxidase in. 445 
peroxidase in. 446-447 
properties of, in aged cows. 655-656 
sickness, disease of animals caused by 
Eupatorium urticaefolium . 699^716 
Moisture, soil- 
effect of variations upon nitrate accumula¬ 
tion. 4 S -57 
effect on A garicus tabularis . 226-229,236-237 
hygroscopic, rate of loss. * 53”*54 
relation to movement of soluble salts.... 543-544 
Moore, William, and Willaman, J, J. (paper): 
Studies in Greenhouse Fumigation with 
Hydrocyanic Add. 319-338 
Morckella — 
esculenta, cause of fungus fairy rings. 195 
hybrids cause of fungus fairy rings. 195 
Movement of Soluble Salts through Soils 
(paper). 53 i “547 
Mule serum. See Serum, mule. 
Musca domestica, effect of hydrocyanic-add 
gas on. 4 2 2 - 4 2 3 
Natural Reproduction from Seed Stored in 
the Forest Floor (paper). 1-26 
Nature and Rate of Growth in Lambs During 
the First Year (paper).... 607-624 
Nema— 
method of measuring... 33 
parasitic... 27-33 
Nematode. See Nema. 
New Parasitic Nema, Tylenchus penetrans. 
Found Infesting Cotton and Potatoes, A 
(paper). 27-33 
Nicotiana tabacum, effect of hydrocyanic-add 
fumigation on photosynthesis of. 326 
Nitrate-nitrogen, factors affecting accumula¬ 
tion in soil. 43-64 
Nitrification, soil. 43-64 
Nitrogen— 
determination in Chrysanthemum cinerari- 
aefolium . 79^8i 
determination in fungus fairy ring soil... 220-225 
loss in excreta of cattle. 453 - 455 ? 468 
nitrate, factors affecting accumulation in 
soil. 43-64 
relation to manganese content in Chrysan¬ 
themum cinerariaefolium . 80-81 
soluble— 
influence of chloroform on proteolysis of 
milk as indicated by. 44 Q- 44 1 
presence of galactase in butter as shown 
by increase of. 442-444 
presence of galactase in milk as shown by 
increase of. 442-444 
Oats. See A vena saliva. 
Occurrence of Manganese in Insect Flowers 
and Insect Flower Stems (paper). 77-82 
O’Gara’s disease of western wheat-grass, 
comparison with bacterial-blight of Hor- 
deum spp. 627 
Okey, C. W. (paper): Run-off from the 
Drained Prairie Lands of Southern Louis¬ 
iana. 247-279 
Orchard-grass. See Grass, orchard. 
Oxidase— 
content of butter.. 445? 447 
content of milk. 445 
in plants, effect of hydrocyanic add on... 321-323 
Oxycoccus macrocarpus — 
daily normal temperatures in regions of.... 523 
endrot of— 
causal organism. 36-38 
characteristics. 36 
control.39-40 
host plant of Fusicoccum putrefaciens . 35-41 
length of frostless season in regions of. 522 
rainfall in regions of..•. 521-522 
relation of climate to fungus growth. 521-529 
relation of rainfall to fungus growth.521-529 
Palmer, L. S. and Eckles, C. H. (paper): In¬ 
fluence of the Age of the Cow on the Com¬ 
position and Properties of Milk and Milk 
Fat. 645-658 
Paxillus involutes, cause of fungus fairy rings.. 196 
Pea. See Pisum spp. 
Penicillium expansum , relation of— 
apple-scale to infection by. 294-295 
J onathan-spot to. 288 
Pelargonium spp., effect of hydrocyanic- 
acid fumigation on— 
translocation of food in.326-327 
photosynthesis of... 326 
Peroxidase content of milk and butter_ 446-447 
Phaseolus lunatus — 
inoculation with Diaporthe phaseolorum. . 485-488 
mode of infection by Diaporthe phaseo¬ 
lorum . 489-491 
podblight of— 
caused by Diaporthe phaseolorum .473-504 
control. 500 
description.475-476 
dissemination.491-492 
distribution. 474 
etiology.... 476-477 
loss. 474 
morphology. 479 
prevalence. 474 
resemblance to leafspot. 475 
Phleum pratense , bacterial disease of, resem¬ 
blance to bacterial-blight of Hordeum spp... 629 
Phoma subcircmaia , syn. Diaporthe phase¬ 
olorum. 
Phosphoric add. See Add, phosphoric. 
Phosphorus, reactions in root of Brassica 
rapa . 359-370 
Phylloxera vastatrix , effect of hydrocyanic-add 
gas on. 423 
Picea engelmanni , reproduction from seed 
stored on forest floor. 15-26 
Piemdsel, R. L., and Shantz, H. L. (paper): 
Fungus Fairy Rings in Eastern Colorado 
and their Effect on Vegetation. 191-246 
