6i8 
Journal of Agricultural Research 
Vol. XIV 
Page 
Page 
Maple, silver. See A cer saccharinum . 
Martin, W. H., and Shive, J. W. (paper): A 
Comparative Study of Salt Requirements 
for Young and for Mature Buckwheat 
Plants in Solution Cultures. 151-175 
Medicago saliva , silage of, acidity.39S-409 
Mediterranean fruit fly. See Ceratiiis capir 
fata. 
Medlar, West Indian. See Mimusops elengi. 
Melxana diffusa, female, at light traps. 136-140 
Meteor us versicolor — 
description. 301-205 
distribution. 192-194 
economic importance. 205 
importation. 192 
life history. 202-204 
parasite of Euproctis chrysorrhoea . 191-206 
seasonal history.... 302-204 
summer hosts of. 204-205 
Microcitrus — 
australasica, resistance to Citrus-canker. 343 
australis , resistance to Citrus-canker.343-344 
Garrowayi, resistance to Citrus-canker. 343 
Microcline, availability of potash in. 297-316 
Milk, cow’s— 
correlation between percentage of fat and 
yield. 67-96 
value of— 
alfalfa hay in production of. 178-179 
Sudan-grass hay in production of. 178-179 
Millet, See Panicum miliaceum. 
Milo. See Andropogon sorghum. 
Mimusops elengi, food plant of Ceratiiis capi- 
tata . 606-608 
Mineral Content of Southern Poultry Feeds 
and Mineral Requirements of Growing 
Fowls (paper). 125-134 
Moisture, variations in loess soil.453-480 
Mold, vegetable, use as bedding material... 187-190 
Moth— 
brown-tail— 
parasites of. 191-206 
See Euproctis chrysorrhoea. 
See also Lepidoptera. 
Muesebeck,C. F. W. (paper): Two Impor¬ 
tant Introduced Parasites of the Brown- 
Tail Moth. 191-206 
Muscovite, availability of potash in. 297-316 
Mustard. See Brassica nigra. 
Myrobalan, black. See Terminalia chebula. 
“ Natural aggressin.” See Agressin, natural. 
Neal, D. C., and Peltier, G. L. (paper): Over¬ 
wintering of the Citrus-Canker Organism 
in the Bark Tissue of Hardy Citrus Hy¬ 
brids. 523-524 
Neidig, R. E. (paper): Acidity of Silage 
Made from Various Crops....395-409 
Nitrogen— 
effect on composition of Ipomoea batatas.. 273-284 
fixation by bacteria, influence of reaction 
on.317-336 
Nitrogen-assimilating bacteria, influence of 
reaction on. 317-336 
Noctua c-nigrum, female, at light traps_136-144 
Nodules, formation from legume bacteria_ 320 
Oak. See Quercus spp. 
Oats. See A vena saliva . 
Obtaining Beet Eeafhoppers Non virulent as 
to Curly-Top (paper). 393-394 
Occurrence of Coccidioidal Granuloma (Oidi¬ 
omycosis) in Cattle (paper).. 533-54® 
Ochrosia elliptica, food plant of Ceratiiis 
capitata . 606-608 
Oidiomycosis occurrence in- 
cattle. 533-54® 
ma n. 533-534 
Okra. See Abelmoschus esculentus. 
Oleander, yellow. See Thevetia neriifolia. 
Opius humilis , parasite of Ceratitis capitata. 606-610 
Orange— 
Chinese. See Citrus japonica. 
kona. See Citrus sinensis. 
mandarin. See Citrus nobilis deliciosa. 
Satsuma. See Citrus nobilis var. unskiu. 
Orthoclase, availability of potash in. 297-316 
Ostenfeldiella diplantherae , tissue invasion by. 569 
Overwintering of the Citrus-Canker Organism 
in the Bark Tissue of Hardy Citrus Hy¬ 
brids (paper). 523-5*4 
Oxygen, effect on composition of Ipomoea 
batatas . 273-284 
Panicum miliaceum , effect of deep tilling in 
Great Plains on. 514-516 
Parasitism, intercrop, control of. 610 
Parker, John H., et al. (paper): Can Biologic 
Forms of Stemrust on Wheat Change 
Rapidly Enough to Interfere with Breed¬ 
ing for Rust Resistance ?. 1 n-123 
Peach. See Amygdalus persica. 
Pear. See Pyrus communis. 
Peas. See Pisum spp. 
Peat, use as bedding material. 187-190 
Peltier, G. E., and Neal, D. C. (paper): 
Overwintering of the Citrus-Canker Organ¬ 
ism in the Bark Tissue of Hardy Citrus 
Hybrids. 5 ® 3 - 5®4 
Peltier, G. L. (paper): Succeptibility and 
Resistance to Citrus-Canker of the Wild 
Relatives Citrus Fruits, and Hybrids of the 
Genus Citrus.337-358 
Pemberton,C. E.,and Willard, H. F. (paper): 
Work and Parasitism of the Mediterranean 
Fruit Fly in Hawaii during 1917. 605-610 
Pemphigus — 
populicaulis, galls of. 592 
populi-ramulorum , galls of, comparison 
with Pemphigus populi-transversus . 592 
populi-transversus — 
description of gall of. 581,589-592 
description of stages..589,592 
distribution. 580-581 
formation of gall by. 587 
host plants of. 580-581 
injury caused by.584-586 
life history. 577-594 
migration.. 581-586 
occurrence of winged migrants in soil.... 586 
opposition.... 587 
reproduction... 586-587 
seasonal history. 587-589 
Peridermium — 
occidentale , aecial stage of Cronartium occi- 
dentale .413-418 
strobi , aecial stage of Cronartium occiden¬ 
tal . 413-415 
