970 
Journal of Agricultural Research 
Vol. XXVII 
Page 
Mice, meadow- 
breeding, feeding, and habits. 523-536 
control by natural enemies and cultural 
methods. 533 
life history, habits, control, uses. 524-534 
Michigan potato, structural characters. 827, 
828,830 
Microius montanus — 
general habits, life history, control.524-534 
plague in Nevada, and losses caused.523-524 
Migration of the Aphididae and the Appear¬ 
ance of the Sexual Forms as Affected by the 
Relative Length of Daily Light Exposure, 
The: S» Marcovitch. 513-522 
Milk, manganese in. 422 
value as chicken feed. 597 
Miller, Edwin C.: Daily Variation of the 
Carbohydrates in the Leaves of Com and 
the Sorghums. 785-808 
M illei, E. C., and Latshaw, W. L.: Elemental 
Composition of the Cora Plant.845-860 
Milo, leaves of, carbohydrates in. 788-806 
Mindum wheat, stem-rust infection, experi¬ 
ments. 371 
Minnesota, experiments on effects of fertili¬ 
zers on wheat stem rust. 345-3 73 
Missouri, Botanical Gardens, studies of wheat 
flag smut. 435-437 
Mitchell, H. H., and Hamilton, T. S.: The 
Occurrence of Lactase in the Alimentary 
Tract of the Chicken. 605-608 
Morphological and Physiological Studies on 
the Resistance of Wheat to Puccinia 
graminis tritici Erikss. and Henn.: C. R. 
Hursch.381-412 
Morphological Characters of Alternaria malt 
Roberts: John W. Roberts.699-708 
Mosaic soybean- 
effect on seed germination and yield... 95-97,98 
secondary spread. 95 
seed transmission and effect on yield.91-98 
Mouse plagues, records, and injuries to 
crops. 523-524 
Movement of Water in Irrigated Soils, The: 
Carl S. Scofield...617-694 
Mucoraceae, zygospore walls. 755 
Myzus brevipUosus, development, relation to 
temperature. 515 
Natural Antisheep Amboceptor and Com¬ 
plement in the Blood of Fowls: F. R. Beau- 
dette and L. D. Bushnell. 709-716 
Nematode— 
disease, wheat, description, galls, spread, 
* etc.925-956 
larvae, overwintering, and spread of infec¬ 
tion. 948-949 
wheat, host range. 933-935 
Nematodes, cause of disease of cereals.925-956 
Nevada, mouse plagues, and losses caused. 523-524 
Newlands Experiment Farm, irrigation ex¬ 
periments. 620-621, 
622,625-627,645,659,669,674-677,680 
Nitrate— 
applications to soil, effect on hydrocyanic- 
acid content of sorghum. 717-723 
determination in soil solution. 644 
Nitric acid, solutions, changes made by grow¬ 
ing seedlings. 211-216 
Nitrogen— 
com plant, determination and distribu¬ 
tion. 850-858 
fertilizers, effect on wheat stem rust devel¬ 
opment.342-344,355.360-361, 371-373 
soil, relation to hydrocyanic-acid content of 
sorghum. 717, 718, 722 
Noble, Robert J.: Studies on the Parasitism of 
Urocystis triciti , the Organism Causing Flag 
Smut of Wheat.451-490 
Nocturnal production of Conidia by Sclero- 
spora gramtnicola: William H. Weston, jr 771-784 
Nutrients, mineral, effect on rust development 
and results. 116-117 
Nutritive Properties of Wild Rice, The: Cor¬ 
nelia Kennedy. 219-224 
Oats, infection with wheat gall nematode.. 934,935 
rust infection, relation to fertilizers. 349 
Occurrence of Lactase in the Alimentary 
Tract of the Chicken, The: T. S. Hamilton 
and H. H. Mitchell. 605-608 
Page 
Occurrenceof the Currant Cane Blight Fungus 
on Other Hosts: Neil E. Stevens and Anna 
E. Jenkins. 837-844 
Oils, volatile? effect on spore germination of 
Urocystis tritici .461-462- 
On the Anatomy of the Sweet Potato Root, 
with Notes on Internal Breakdown: Ernst 
Artschwager. 157-166 
Oranges, manganese in. 423 
Osmotic Concentration, etc., of the Tissue 
Fluids of Indicator Plants of Tooele Valley, 
Utah: J. Arthur Harris, R. A. Gortner, 
W. F. Hoffman, J. V. Lawrence, and A. T. 
Valentine. 893-924 
Osmotic pressure of tissue fluids in cottons.. 277, 
279, 299.310.321,323 
Oxygen, com plant, determination and dis¬ 
tribution. 850-856 
Pearl potato, structural characters.827,828,833 
Periderm potato, structure and varietal differ¬ 
ences. 829-833 
Petals, Pima cotton, spot inheritance.491-512 
Phenols, effect on eggs of Ascaris spp... 170-174 
Phillips, Claude E., and Manns, Thomas F.: 
Corn Rootrot Studies.957-964 
Phosphoric acid solutions, changes made by 
growing seedlings. 211-216 
Phosphorus, com plant, determination and 
distribution.850-858 
Photoperiodism in Relation to Hydrogen-Ion 
Concentration of the Cell Sap and the Car¬ 
bohydrate Content of the Plant: W. W. 
Garner, C. W. Bacon, and H. A. Allard. 119-156 
Photoperiodism, relation to acidity of cell sap 
and carbohydrate content. 119-156 
Physiological Studies on Apples in Storage: 
J. R. Magness and H. C. Diehl. 1-38 
Pigs, worms in, control. 167-175 
Pilacre faginea, synonomy and culture. 610-6x3,615 
Pima cotton— 
Petal spot, inheritance.491-512 
Egyptian, comparison with others. 277-320 
Pinckney, R. M.: Effect of Nitrate Applica¬ 
tions upon the Hydrocyanic-Acid Content 
of Sorghum... 717-723 
Plant— 
breeding, measurement of linkage values. 881-891 
lice. See Aphids. 
roots, effect on spores of fungous parasites. 457-458 
Plants— 
acidity, relations during transaction period 148-149. 
carbohydrate relations to photoperiodism 149-152 
desert, sap composition, investigations... 893-924 
indicator, of Tooele Valley, Utah.893-924 
infection with parasites, effect on water re¬ 
quirement, review. 108-no 
l©ng-day, effect of light on acidity. 140-144 
medium-day, acidity, relations to photo¬ 
periodism . 145-147 
relations to photoperiod ism. 119-156 
short-day. effect of light period on acidity. 128-140 
stem growth, relation to length of daylight. 120 
tissue fluids, relation to composition of 
soils, studies. 893-894,918 
Pollen— 
sterility in raspberry hybrids. 745 
tubes, cotton, growth, rate, relation to selec¬ 
tive fertilization. 335-338 
Polyploid raspberries, history and cytological 
description............. . 740,742-745* 746 
Polysttgma rubra, infection of leaves, effect on 
transpiration.. 109 
Pop corn, hybrids with teosinte, charac- 
*f rs - :. 537*539 
Potassium— 
chlorid, effect on wheat stem rust. 346-369 
corn plant, determination, distribution.. 850-858 
determination in soil solution. 641 
Potato— 
cytological studies. 822-823 
eyes, description, arrangement, and devel¬ 
opment. 819—821 
skin, structure and varietal differences... 829-833 
stolon, structure and functions.. 809-813,825-826 
tuber, studies.......*. 809-836 
varieties, classification, comparisons in 
structure, etc. 826-829.830-833 
Prosser Experiment Farm, Washington, 
irrigation experiments. 625-62 
