392 



EXPERIMENT STATION RECORD 



Nitrogenous fertilizers— Continued, 

 artificial, stiitus, (27) 519. 

 availability, (27) 520; (28) 724, 725; (29) 126; (30) 



324; (31) 124, 318; (34) 219; (35) 123, 426; (39) 726. 

 availability, determination, (36) 726. 

 availability in presence of sodium nitrate, (38) 



723. 

 characteristics, (39) 726. 

 comparison, (26) 31, 33, 125, 324, 425, 523, 536, 



725, 735, 736, 829, 836, 837; (27) 24, 218, 519, 531, 



626, 724, 832, 833; (28) 325, 723, 725, 736; (29) 23, 



125, 213; (30) 125, 626, 632, 839; (31) 36, 517, 518, 

 820, 821, 822; (32) 323, 336; (33) 25, 219, 220; 

 (34) 24, 25, 129, 327, 518, 621, 622, 820; (35) 22, 



126, 323, 325, 427, 518, 519; (36) 121, 626, 818;(37) 

 321, 426, 739; (38) 133, 220, 516, 517; (39) 327, 

 328, 537, 622, 623, 726, 817; (40) 125, 242, 539, 

 724. 824. 



effect on — 



acid soils, (39) 627. 

 citrus fruits, (27) 350. 

 composition of beets, (31) 737. 

 composition of sugar beets, (27) 534. 

 flax fiber, (31) 332. 

 grapes, (31) 339. 

 nodule formation, (37) 133. 

 soil nitrates, (33) 422. 

 sugar beets, (26) 332. 

 tobacco, (33) 733. 

 yield of cotton, (31) 136. 

 for apples, (39) 241, 445. 



arid soils. (34) 621; (36) 726. 

 cranberries, (34) 150. 

 meadow soils, (34) 22. 

 moor soils, (39) 428, 438. 

 oats, (31) 528. 

 olives, (35) 839. 

 oranges, (36) 642. 

 peat soils, (39) 428. 

 rye, (31) 529. 

 semiarid soils, (37) 319. 

 from refuse substances, (33) 125. 

 history and manufacture, (34) 423 

 hygroscopicity, (26) 226, 525. 

 industry, status, (27) 128. 

 low-grade, availability, (26) 725; (28) 125. 

 manufacture, (34) 622. 

 manufacture and use, (35) 428. 

 manufacture from air, (27) 520. 

 new, production in 1912, (28) 817. 

 nitrifying capacity, (28) 124. 

 production and use, (29) 517. 

 production in 1917, (39) 824. 

 relation to citrus die-back, (29) 248. 

 separation, (33) 12. 

 sources of, (39) 428, 429, 430. 

 sources of in United States, (30) 126. 

 standard and new, notes, (27) 128. 

 transformation in soils, (30) 717. 

 use in arid regions, (34) 219. 

 use of sulphur with, (39) 622. 

 v. leguminous green manures, (39) 31. 

 valuation, (29) 821. 

 Nitrogenous — 

 materials— 



availabilty, (26) 124; (27) 500, 723 

 determination in flour, (31) 809. 

 nonprotein, of sugar beets, (28) 810. 

 ])lant foods, inorganic, behavior in sunlight, (30) 



823. 

 products, absorption, (29) 465. 

 soil constituents, ellect on plant growth, (29) 219. 

 soil constituents, studies, (28) 324. 

 Nitroglycerin, determination in medicinal tablets, 



(27) 499. 

 Nitrolim — 



fertilizing value, (26) G30, 639; (40) 242. 

 granular v. ordinary. (40) 515. 

 Nitrometer, modified Lunge, description, (35) 314. 

 Nitron, use in determination of nitrates in soil, (31) 



516. 

 Nitrous- 

 acid— 



detection, (28) 804. 



detection in ethyl alcohol, (29) 312. 



detection in presence of ferric salts,(32) 115. 



determination, (27) 609; (40) 610. 



determination in water, (26) 709. 



in plant sap, (28) 429; (34) 627. 



in rain water, (31) 812; (33) 617. 



Nitrous— Continued. 



ether, deterioration and decomposition, (27) 



614. 

 oxid as an anesthetic, (31) 80. 

 Nocardia — 



bovis, studies, (37) 482. 

 infection of udders, (40) 185. 

 Noctua spp., notes, (27) 659. 

 Noctuid, new, from Brazil, (37) 564. 

 Noctuidae in British Museum, catalogue, (28) 856^ 



(31) 652. 

 Nocturnal cooling, studies, (40) 314, 715. 

 Nodes, branch, nature, (38) 822. 

 Nodular- 

 disease of the intestines of cattle, (26) 382. 

 intestinal disease of cattle, cause, (27) 289. 

 worm, life history and structure, (29) 476. 

 Nodularia harveyana, notes, (28) 31. 

 Nodule bacteria — see also Root tubercles, 

 as affected by nitrates, (39) 338. 

 as affected by reaction, (39) 722. 

 Nodule-forming organisms, alkali tolerance, (40)435, 

 Nola metallopa, notes, (40) 857. 

 Nolina microcarpa, notes, (29) 441. 

 Nomenclature, stabilizing, (40) 254. 

 Nomon, a calculating device for chemists, (38) 204. 

 Nonagria truncata, notes, (40) 453. 

 Nonarthropalpus buxi as affected by heat, (27) 856. 

 Nonelectrolvtes, effect on action of alcohol on plant 



cells, (34) 333. 

 Nonhalophytes, variations in salt content, (29) 28. 

 Nonlegumes and legumes, effect of association, (33) 



527. 

 Nonnitrogenous constituents, determination in 



urine, (26) 161. 

 Nonpartisan League in North Dakota, (37) 592. 

 Nonprotein — 



nitrogen in normal human blood, (28) 665. 

 of feeding stuffs, nutritive value, (26) 71. 

 substances, determination in muscle, (35) 614. 

 Noodles- 

 artificial coloring, (28) 510. 

 notes, (31) 058. 

 Norbanus sp., notes, (29) 458. 

 Noropsis hieroglyphica, notes, (40) 56. 

 North Carolina — 



College, notes, (27) 99; (29) 498, 900; (31) 696^ 

 900; (34) 296, 496; (35) 97, 698; (36) 99, 295, 500^ 

 696; (38) 97; (39) 198; (40) 900. 

 credit union, (36) 289. 



Station, financial statement, (26) 899; (29) 95. 



Station, notes, (27) 99, 199, 398, 699; (28) 698; (29) 



498; (30) 600; (31) 900; (32) 798; (34) 296, 496,. 



(35) 97, 197, 698; (36) 295, 500, 696; (38) 97; (39) 



96, 198, 300; (40) 398, 900. 



Station, report, (34) 95; (35) 595; (37) 699; (39)> 



397. 

 Station, report of director, (26) 899; (29) 95. 

 North Dakota — 



College, notes, (28) 698; (29) 196, 700; (30) 95,. 

 798; (32) 198, 397, 798; (33) 198; (34) 496; (36) 

 899; (37) 399; (38) 799; (39) 97, 698; (40) 498.. 

 College, survey, (37) 596. 

 Dickinson substation, report, (35) 299. 

 Edgeley substation, reports, (32) 598. 

 Langdon substation, reports, (32) 598. 

 State engineer, report, (37) 84. 

 Station — 



bulletins, index, (34) 796. 



financial statement, (28) 493. 



notes, (29) 700; (30) 95; (31) 497; (32) 798; (33) 



198; (34) 798; (39) 97,400, 698; (40) 498. 

 report, (.30) C96; (31) 694; (33) 196; (35) 94; 



(36) 498. 

 report of director, (28) 493. 

 Williston substation, report, (29) 299, 496. 

 Nose fly, distribution in United States, (40) 458. 

 Nose ma- 

 apis— 



notes, (26) 457, 561; (36) 53, 258; (37) 58. 

 pathogenic to insects other than bees, (30) 



459. 

 relation to Isle of Wight disease, (37) 360; 



(39) 768, 869r (40) 65. 

 studies, (27) 468, 759, 761; (29) 761. 

 bombi n.sp., biology and remedies, (32) 759. 

 bombycis — 



review of investigations, (30) 549. 

 spores, filament extrusion, (40) 255 



