966 



EXPERIMENT STATION EECORD. 



[Vol. 41 



Leptinotarsa decenilineuta. (^'('C■ Potato 



beetle, Colorado.) 

 Leptomonas {Herpetomomis) ctenocephali, 



studies, 781. 

 Leptosphwria herpotriclioides, studies, 655. 

 Leptospira — 



icterohcEtnorrhagiw in the rat, 85. 



icteroides, studies, 851. 

 Leptus akamushi, notes, 753. 

 Leskiine synonymy, notes, 62. 

 Lettuce — 



aerial fertilization with carbon dioxid, 

 Vt., 833. 



as affected hy sunshine and shade, 

 738. 



culture experiments, Ariz., 330. 



fertilizer experiments, 627. 



greenhouse, culture experiments. 111., 

 147. 



liming experiments, 428. 

 Leucocyte extract, effect on velocity of bac- 

 teriolysis, 187. 

 Leucocytes of immunized animals, specific 



substance.s in, 188G. 

 Levee embankments, tables of cubic con- 

 tent, 582. 

 Levulose, determination. 12. 

 Lice — 



biology, 552. 



destruction by dry cleaning, 255. 



investigation.s, 457, 458. 



on chickens, remedies, 662. 



reaction to bites of, 551. 



relation to trench fever, 851. 



relation to typhus, 552. 



treatise, 457. 

 Life duration in the white mouse, studies, 



767. 

 Light- 

 artificial, effect on egg production, 

 N.J., 572, 869; Wash., 871. 



artificial, effect on plant growth, 885. 



measurements on heights and in for- 

 ests, 330. 



(See also Sunlight.) 

 Lignin, determination, 14. 

 Lignum-vitse, uses and supply, 244, 

 Umax cincrus as carrier of Davainea, 881. 

 Lime — 



agricultural, analyses, N..J., 24. 



arsenate. (See Calcium arsenate.) 



clilorinated, as water disinfectant, 588. 



determination in white lead, 314. 



industry in Montserrat, 891. 



juice, antiscorbutic value. 470, 861. 



niter. (See Calcium nitrate.) 



nitrogen. (See Calcium cyanamid.) 



potash, fertilizing value, 724. 



requirement of soils. (See Soils.) 



Stassfurt-salt by-product, preparation, 

 724. 



weed-control value, 538. 



(See also Calcium.) 

 Limes — 



Fomes parasite, 658. 



sweet, as stocks, 447. 



Limestone — 



action on acid soils. III., 818. 



asphalt mortar, tests, 884. 



dealers, list, Iowa, 24. 



ground, for cotton and corn, Ark., 



130. 

 manganese content, 521. 

 phosphate, of New Zealand, 326. 

 various forms, comparison, 520. 

 Lime-sulphur mixtures — 

 dilution, 111., 146. 

 fungicidal value, 057, 658. 

 naphthalene, 657. 

 preparation, 842. 

 use. Mo., 356. 



use with lead arsenate, 111., 750. 

 Lime-tree borer of New South Wales, 555. 

 Liiiiicola plaiyrhijncha, proper name, 250. 

 Liming — 



effect on potash solubility, 126. 

 experiments, 228, 428, 520 ; Del., 136, 

 137 ; Mass., 21 ; Mo., 624 ; N.Dak., 

 124 ; R.I., 135. 

 experiments on bog soils, 230. 

 experiments on grassland, 826. 

 experiments on moor soils, 212, 520. 



(Sec also special crops.) 

 of Essex soils, 724. 

 of Iowa soil.s, Iowa, 24. 

 Linden lace bug, notes, 847. 

 Linkage in maize, 436 

 Linseed — 

 meal — 



analyses, 868 ; Can., 565 ; Conn. 

 State, 176 ; R.I., 564 ; N.Y. 

 State, 868. 

 and cake, analyses, Ind.. 808 ; N. 



H., 68. 

 and screenings, analyses, Ind., 564. 

 feeding value, 569, 771 ; Ind., 70 ; 

 Kans.. 69 ; Mich., 74 ; Nebr., 

 770. 

 for horses, Mass., 274. 

 oil, production in Great Britain, 734. 

 oil, use with Bordeaux, 355. 

 Lipoids — 



as antigens, 477. 

 determination, 116, 764. 

 importance In nutrition, 559. 

 in the blood in Tropics, 764. 

 organ, origin of, 673. 

 Lipovaccines, preparation, 377. 

 Litter size, influence of male on, 268. 

 " Little leaf " of fruit trees, studies, 452. 

 Live stock — 



diseases. (See Animal diseases.) 

 in Canada in 1917, Can., 594. 

 industry in Dutch East Indies, 768. 

 insurance, 793. 

 laws in Maryland, 81. 

 market reports, U.S.D.A., 672. 

 marketing, cooperative, 593. 

 patent medicines for, N.Dak., 673. 

 production, climatic conditions con- 

 trolling, U.S.D.A., 417. 

 remedies, inspection. Conn. State, 176. 

 situation in 1919, L'.S.D.A., 891. 



