Apr. 2-June 35, 1917 
Index 
429 
Iron—Continued. Page 
salts, effect on the fixation of ammonia by 
soils. 150 
Irrigation- 
basin, effect on distribution of nitrates in 
soils. 242-243 
furrow, effect on distribution of nitric nitro¬ 
gen in soils. 204-234 
overhead, effect on distribution of nitrates 
in soils. 239-242 
Jensen, C. A. (paper)— 
Composition of Citrus Leaves at Various 
Stages of Mottling. 157-166 
Effect of Decomposing Organic Matter on 
the Solubility of Certain Inorganic Con¬ 
stituents of the Soil. 253-268 
Leaf, Citrus, composition at various stages of 
mottling. 157-166 
bee, H. A. (paper): A New Bacterial Citrus 
Disease.. i“8 
Demon. See Citrus limonum. 
Leucocytes— 
effect of heat of sun on. 174-175 
effect of muscular exercise on. 170-172,179 
Ligustrum aurea , leaves of, composition at 
various stages of mottling. 163-164 
Lime, effect on solubility of soil minerals- 264 
Lipoid solubility, relation to boiling point of 
benzene compounds. 377“378 
Magnesium— 
effect of organic substances on solubility in 
soils. 264 
salts, effect on the fixation of ammonia by 
soils.. 149 -xSS 
Maize. See Zea. 
Mains sylvestris — 
host plant of Xylaria spp. 269-276 
Xylaria rootrot of. 269-276 
Mangels, C. E., et al. (paper): A Study of 
Methods of Estimation of Metabolic Nitro¬ 
gen. 4 5-411 
Manure— 
artificial, effect on solubility of inorganic soil 
minerals.,. 259-260 
effect of decomposition on solubility of in¬ 
organic constituents. 2 53-268 
green, effect on solubility of inorganic soil 
minerals. 263-266 
nitrification in soils. 186-200 
organic, effect on solubility of inorganic soil 
minerals. 264 
McBeth, I. G. (paper)— 
Fixation of Ammonia in Soils. 141-155 
Relation of the Transformation and Distri¬ 
bution of Soil Nitrogen to the Nutrition of 
Citrus Plants. 183-252 
McDole, G. R., and Alway, F. J. (paper): Re¬ 
lation of the Water-Retaining Capacity of a 
Soil to Its Hygroscopic Coefficient. 27-71 
Medicago saliva — 
influence of solar-radiation intensity on 
transpiration rate. 284 
influence of wind velocity on transpiration 
rate. 284 
Medicago sativa —Continued. Page 
transpiration rate— 
comparison with evaporation rate of at- 
mometers. 277-291 
comparison with evaporation rate of 
water. 277-291 
weather relation to transpiration rate-277-281 
Metabolism, of nitrogen, estimation of.405-411 
Miner, wheat-sheath. See Cerodonta femoralis. 
Mineral, soil, effect of decomposing organic 
matter on solubility of. 253-268 
Moisture, distribution in soil.47 _ 55; 66-68 
Moore, William (paper): Toxicity of Various 
Benzene Derivatives to Insects.371-381 
Morgan, L. E., et al. (paper): A Study of 
Methods of Estimation of Metabolic Nitro¬ 
gen. 405-411 
Morphology of Normal Pigs* Blood (paper). 131-140 
Mottle-leaf, relation of nitrogen to. 248-250 
Mottling, composition of Citrus leaves at va¬ 
rious stages of. 157-166 
Musca domestica, toxicity of benzene deriva¬ 
tives to. 371-381 
New Bacterial Citrus Disease, A (paper). 1-8 
New Strain of Rhizoctonia solani on the 
Potato, A (paper).413-419 
Niter spots, formation in Citrus soils.235-239 
Nitrate— 
distribution in soils irrigated by overhead 
system. 339-242 
effect of rainfall on distribution in Citrus 
soils. 244-248 
in soils, recovery of nitrogen as. 188-300 
salts, effect on fixation of ammonia by soil. 153 
Nitrification of organic substances. 187 
Nitrogen- 
absorption by roots. 75“79 
distribution in basin-irrigated soils. 242-243 
in soils— 
effect of furrow irrigation on distribu¬ 
tion. 204-235 
effect on organic substances. 186-200 
influence of water on.306-337 
recovery as ammonia. 188-200 
recovery as nitrates. 188-200 
relation of distribution to nutrition of 
Citrus plants.y. 183-252 
relation of transformation to nutrition of 
Citrus plants. 183-252 
metabolic, methods of estimation.405-411 
relation to mottle-leaf. 248-250 
Nutrient, plant absorption by roots. 73-95 
Oats. See A vena sativa. 
Orange. See Citrus aurantium. 
Orifices, weir, flow through. 97-114 
Oryza sativa , growth in nutrient solutions_ 75- 
76,77-90 
Palmer, C. C. (paper)— 
Effects of Muscular Exercise and the Heat 
of the Sun on the Blood and Body Tem¬ 
perature of Normal Pigs. 167-183 
Morphology of Normal Pigs’ Blood. 131-140 
Parisierola emigrata , parasite of Pectinophora 
gossypiella . 359-360 
Pectinophora, description of genus. 346-351 
