1919] 



INDEX OF SUBJECTS. 



945 



Corn — Continued. 



culture in South Africa, 528. 



culture in St. Vincent, 528. 



culture, old and new. U.S.D.A., 640. 



culture on sandy soils. Wis., 18. 



disease susceptibility, segregation, 747. 



ear structure, evolution, 436. 



ears, abnormal, significance, 530. 



ears, physical characters, Del., 137. 



earworm, notes, 665. 



effect on soil nitrate content, 812 : 



Mo., 623. 

 effect on succeeding wheat crops, 



N.Dak., 823. 

 experiments, contradictory results, 436. 

 export, carrying qualities, U.S.D.A., 



438. 

 fecundation and gametogenesis, 726. 

 feed meal, analyses. Conn. State, 176 ; 



Ind., 564, 868 ; N.Y.State, 868 ; R.I., 



564. 

 fertilizer experiments, Ark., 130 ; Del., 



136 ; Pla., 527 : Ga., 31 ; Kans., 32 ; 



Mass., 21 ; Mo., 626 ; N.Dak., 139 ; 



N.Y.Cornell, 21 ; Ohio, 140. 

 flour, characteristics and detection, 



467. 

 flour, effect on yeast activity, 362. 

 flower anomalies, 640. 

 fossil species from Peru, 530. 

 freaks of, 530. 

 germ meal, analyses, Ind., 564, 868 ; 



N.Y.State, 868. 

 germination, 632. 



germination as affected by organic sub- 

 stances, 523. 

 gluten feed, analyses, Can., 565 ; 



Conn.State, 176 ; Ind., 564, 868 ; 



N.H., 68; N.Y.State, 868; R.I., 564. 

 gluten meal, analyses. Can., 565. 

 grading, U.S.D.A., 636. 

 grading for feeding purposes, 409. 

 green manuring experiments, Del., 136. 

 growing with cowpeas, Tex., 36. 

 growing with velvet heans, Ga., 32, 39. 

 growth as affected by soaking and 



aeration, 632. 

 hogging-down, 799; U.S.D.A., 72. 

 inbreeding experiments, 747. 

 inheritance and environment studies, 



N.J., 42. 

 inheritance of aleurone color, 733. 

 inheritance of endosperm, 726, 827 ; 



TT.S.D.A., 437. 

 insect pests in New South Wales, 56. 

 irri.gation experiments, Nebr., 433. 

 kernels, variations, effects, Del., 137. 

 land, plowin.^ r. disking for small 



grain, Nebr., 434. 

 leaf-blight susceptibility, segregation, 



747. 

 leaf-hopper, resistant varieties, Hawaii, 



137. 

 leaf-miner, studies, 553. 

 liming experiments, Del., 136. 

 linkage in, 436. 

 manuring experiments, N.Dak., 139. 



Corn — Continued. 



maturity, qualitative classification, 

 408. 



meal, analyses, 868 ; Can., 565 ; 

 N.Y.State, 868. 



nutritive requirements, 820. 



origin of, 437, 530, 727. 



Phyllachora disease in Porto Rico, 843. 



planting and harvest dates, tempera- 

 ture influence on, U.S.D.A., 716. 



planting date, N.Dak., 809. 



products, deficiency aspect, 874. 



protein and ash for growing animal?, 

 367. 



root rot, bacterial. Ark., 747. 



rotation experiments. Del., 136 ; Kans., 

 32 ; N.Dak., 139, 823, 824 ; N.Y.Cor- 

 nell, 21 ; Ohio, 136. 



seed, as affected by heat, 430. 



seed, as affected by organic substances 

 in soil, 523. 



seed, for Washington, Wash., 232. 



seed, from smooth and rough ears, 

 Del., 137. 



seed, harvesting at different stages, 

 N.Dak., 139. 



seed, hybrid r. pure, Del., 137. 



seed selection, 436 ; N.J., 35. 



seed, soaking and puncturing, 632. 



seeding depths, N.J., 42. 



seeding experiments, Tex., 36. 



selection of pseudo-starchy endosperm 

 in, 827. 



silage. (See Silage.) 



smut epidemic following hail, 154. 



smut, studies, Kans., 48. 



smut susceptibility, segregation, 747. 



soft, composition and nitrogen distri- 

 bution in, 408. 



standards for, U.S.D.A., 636. 



starch, action of enzyms on, 409. 



statistical notes, 826. 



suckering, N.J.. 42. 



sweet. (See Sweet corn.) 



varieties for forage, Ariz., 332. 



varieties for late planting, Ala. Col-' 

 lege, 335. 



varieties for silage, N.Dak., 139 ; Nev., 

 227. 



variety and ear-to-row tests, methods, 

 436. 



variety tests, 530, 825 ; Del., 137 ; 

 Ga., 31; Hawaii, 138; Idaho, 225; 

 Mo., 637; N.C., 638; N.Dak., 824; 

 Tex., 35. 



xenia in, 726. 



yield cycles, 892. 



yields, Ariz., 332 ; N.J., 35. 

 Corncobs, xylose from, 117. 

 Cornell University, notes, 100. 409. 

 Cornstalk borer, notes, Conn.State, 159. 

 Corpus luteum as affecting ovulation, 175. 

 Correlation — 



average, within subgroups of a popu- 

 lation, 366. 



between a variable and dependent 

 variable, coeflicient, 366. 



