9<x> 



Journal of Agricultural Research 



Vol. XX 



Page 



Metagonimus, parasite of Melania 198 



"Mexican ebony." See Siderocarpus flexi- 

 caulis. 



Microbracon sp., parasite of Pyrausta sp 843 



Microorganisms, relation to deterioration of 

 sugars in storage 637-653 



Middleton, William (paper): LeConte's Saw- 

 fly, an Enemy of Young Pines 741-760 



Mildew, downy, of maize. See Sclerospora 

 spp. 



Mimosa berlandieri, food plant of Gelechia neo- 

 trophella: 811-812 



Mimusops elengi, host fruit of Ceratitis capi- 

 tala 425 



Mineral content of — 

 bean cotyledons, utilization in soil and in 



distilled water 875-880 



southern poultry feeds 143 



Miscanthusjaponicus, susceptibility fo Sclero- 

 spora spontanea 671 



Moisture — 

 effect on freezing-point depression of soil. 390-391 



in Chinese colza seed 127 



influence on formaldehyde injury to seed 



wheat 238-240 



in sugars in storage 638-653 



in sunflower silage 883 



in sweetcorn 799 



relation to hypertrophied lenticels on the 



roots of conifers 253-266 



soil, effect on Fusarium -wilt of tobacco. . . . 529 



Molasses, availability to rice plants in calcare- 

 ous and noncalcareous soils 50-54 



"Molasses, ferric," availability to rice plants 

 in calcareous and noncalcareous soils S°~S4 



Mold. See Aspergillus terreus. 



Molds- 

 attacking wheat treated with formaldehyde 215 

 in sugars in storage 638-653 



Momordica charantia, host of Chaelodacus cu- 

 curbitae 43 1 



Monoamino nitrogen in potato tubers, skins, 

 and sprouts 624, 628-634 



Monilia sitophila, enzymic action 778 



Moodna ostrinella, similarity to Peclinopliora 

 aossypiella 83 1-83 2 



Mosaic disease of lettuce 737-740 



Mugho pine. See Pinus mughus. 



Mustard substitutes 117-140 



Myrosin, effect on yield of volatile oil from 

 Chinese colza seed 130-131 



Myzus persicae, carrier of mosaic disease of 

 lettuce 738-739 



Navy bean nodule bacteria cultures, effect on 

 milk 550 



Nebulium sp., seeds host of Sitophilus oryza. . 410 



Neclaria (later Colonectria) graminicola, con- 

 idia cause of " snowmold " 19 



Neidig, Ray E. (paper): Sugar Beet Top Si- 

 lage 537-542 



Neidig, Ray E., Snyder, Roberts., and Hick- 

 man, C. W. (paper): Sunflower Silage Di- 

 gestion Experiment with Cattle and 

 Sheep 881-888 



Page 

 Nelumbo lutea, not food plant of Pyrausta 



ainsliei 838 



N eocatolaccus allsiraliensis, parasite of Sito- 

 philus oryza 422 



Neodip rion lecontci — 



control 759-760 



description 741-750 



distribution 758 



economic importance 758-759 



effect of weather 753 _ 754 



hosts 756 



life history 75°-753 



mating 7S4~755 



oviposition 755-756 



parasites 757-758 



Neopales maera, parasite of Ncodiprion lecon- 

 lei 757-758 



New Avocado Weevil from the Canal Zone, 

 A (paper) in-116 



Nicotiana — 

 glauca, host of Fusarium oxysporum var. 



nicotianae 524-525 



rustica, host of Fusarium oxysporum var. 



nicotianae 525 



tabacum, host of Fusarium oxysporum var. 

 nicotianae, n. var 515-536 



Nitrate — 



copper, toxicity to snails 196 



effect on availability of potassium 616-617 



in soil extract 387-394 



Nitrates in cropped and uncropped soils 663-667 



Nitric acid. See Acid, nitric. 



Nitrogen — 



effect on availability of potassium 6i6-6r7 



in allyl and crotonyl isothiocyanate 127 



in feces of chicks 872-873 



in normal and mottled citrus leaves 166-190 



in plants grown with sodium bicarbonate 



and sprayed with lime and iron salts .... 46 

 in potato tubers, skins, and sprouts. . 623, 628-634 



in wheat, changes due to tempering 272-275 



monoamino, in potato sprouts 624 



Nitrogen-free extract in sunflower and com 

 silage 881-888 



Noctua virescens. Syn. Helioihis virescens. 



Noctuclia — 

 rufofascialis, similarity to Pectinophora 



gossypiella 829-830 



thalialis. Syn. .V. rufofascialis. 



Noctuidae, similarity of certain species to 

 Pectinophora gossypiella 833 



Nodule Bacteria of Leguminous Plants 

 (paper) 543"556 



Nonadditive factors in correlation and causa- 

 tion 563-564 



Nonlinear relations in correlation and causa- 

 tion 564-565 



Nonprotein nitrogen in potato sprouts 623 



Non-spore-forming bacilli in canned ripe 



olives 377-379 



Nutritive ratio of sunflower and corn silage . 881-888 



Oats. See Avena saliva. 



Odontites rubra, host of Uropklyctis magnus- 

 iana 313 



