INDEX OF SUBJECTS. 



969 



Page. 



Leaf- 

 pigments, notes 728 



surface films, effect on transpiration 825 



Leather, nitrification 724 



Leaves- 

 coloration 128 



penetration by violet and ultraviolet 



rays 129 



respiratory coefficient 33 



transpiration in 222 



Lecithin — 



assimilation by ruminants 71 



content of different tissues 577 



effect on complement-containing serams. 478 



fatty acids of 608 



phosphoric acid, loss in 112 



synthesis 10 



Leek, cooking 856 



Ijegumes — 



analyses 829 



stachyose in 13 



Legumin, lysin content 559 



Leguminosge — 



comparative morphology 624 



serological study 733 



treatise 523 



Leguminous plants- 

 assimilation of nitrogen by 131, 523 



breeding experiments 830 



culture, continuous. Can 226 



culture experiments 628, 733 



culture in North Carolina 132 



effect on nitrogen content of soils 733 



fertilizer experiments 132, 62S, 733 



fertilizing value of above-groimd parts. . . 320 



inoculation 830 



inoculation, Iowa 131 



inoculation experiments 524 



root systems of 830 



varieties 524, 628, 733 



varieties. Can 829 



Lema melanopus, notes 654 



Lemon- 

 bark blotch, notes 244 



die-back, cause 450 



gummosis in California 449 



scab, notes 539, 645 



seed, agglutinating properties 774 



Lemons- 

 asexual reproduction of seeds 533 



immunity to collar rot 244 



Lentil — 



seeds, disinfection experiments 738 



starch, studies » 828 



Lentils- 

 fertilizer experiments 133 



prevention of beri-beri by 762 



varieties 133 



Leopard moth, remedies 652 



Lepidosaphes — 



beclcii. (See Purple scale.) 

 ulmi. (See Oyster-shell scale.) 



Leprosy — 



relation to bedbugs 550 



relation to flies 851 



Page. 



Leptinillus validus, parasitism 60 



Leptinotarsadecemlineata. (See Potato beetle, 

 Colorado.) 



Leptinus testaceus, parasitism CO 



Leptohylemyia coarctata , notes 852 



Leptopsylla musculi, bionomics 353 



Leptosphxria — 



coniothyrium, notes, N.Y. State 649 



sp., notes 147 



Leptostylus— 



maculata, dissemination of chestnut 



blight by 451 



praemorsus, notes 58 



Leptothrips floridensis, notes, Fla 751 



Lettuce — 



bacterial rot, investigations, Fla 747 



drop, notes, Fla 747 



insects affecting ' 649 



seeds, large v. small, Vt 634 



storage experiments 533 



I.«ucite— 



decomposition by soil bacteria and yeast. 121 



effect on activity of soil bacteria 821 



L/eucocyte tube, description 209 



Leucocj'tes, occurrence in milk, N.Y. State. . . 372 

 Leucocytic— 



bacteriolysin, relation to body fluids 178 



extract, therapeut ic value 377 



Leukemia, transmission by bedbugs 550 



Levees, tables for level section 384 



Levulosans, hydrolysis 314 



Lice as carriers of swine fever 884 



I>ichens, heat development of 323 



Light- 

 effect on germination of seed 222, 227, 323 



effect on metabolism in white dogs 563 



effect on transpiration In leaves 222 



relation to chlorophyll 127, 222 



Lightings 



handbook 387 



Installations for residences 293 



plans for farms 185 



Lightning— 



at Mount Wilson observatory, U.S.D. A.. 615 



rods, notes 572 



Ligniera n.spp., descriptions 145 



Lilac trunk disease, notes 750 



Lilium croceum, carotinoid content 803 



Lily-of-the-valley, nematodes affecting 56 



Lime — 



analyses 122, 424 



and magnesia ratio In soils 31,218,623 



carbonate from causticiztag plant, analy- 

 ses and fertilizing value 125 



distribution in loam soils 618 



effect on availability of soil organic mat- 

 ter, N.J 124 



effect on grapes, N.Y.State 339 



effect on maturity of cotton, N.C 40 



effect on soils 220 



effect on yield of alfalfa, Ky 228 



feed, methods of analysis 806 



fertilizing value 424 



for cotton, N.C 630 



for cranberry bogs 442 



