1918] 



INDEX OF SUBJECTS. 



961 



Lead — Page. 



arsenate, adhesive tests 868 



arsenate, analyses, Can 643 



arsenate, use against tobacco 



hornworm, U.S.D.A 159 



arsenate, use with other sprayg_ 258 



determination in water 506 



effect on nitrogen-fixing bac- 

 teria 428 



effect on plant growth 819 



toxic effect on plants 628 



Leaf sewer, notes 358 



Leather — 



availability of nitrogen in 423 



fertilizing value 121 



home manufacture, treatise 13 



meal, detection in dried blood 711 



waste as a source of lime. Pa 22 



Leaves — 



composition and fertilizing 



value 722 



incipient drying 522 



water content, studies 223 



Legume straw, feeding value, Cal 168 



Legumes — 



and flaxseed combinations, prep- 

 aration. Wash 365 



as green manures, Hawaii 231 



culture experiments 526, 527 



culture experiments. Can 634 



effect on soil acidity, Pa 20 



fertilizer experiments 527 



fertilizer experiments, Hawaii- 829 

 Importance for milch cows, 



Ohio 779 



In desert agriculture 230 



nitrogen fixation by 528 



silage from. Mo 636 



varieties. Can 634 



water requirements. Wash 227 



Lemon skins, analyses, Conn.State. 626 



Lemons — 



culture in Texas, Tex 40 



variability of yield, U.S.D.A— 744 



Lepidiota frencM affecting sugar 



cane 864 



Lepidium eatiwm seeds, germinabil- 



ity 729 



Lepidoptera — 



classification 180 



of Hawaii 557 



olfactory organs of 160 



Lepidopterous larvae from Mexico — 765 



Lepidoaapheg heckii. (Bee Purple 

 scale.) 



Lepidoscelio (f) viatrix n.sp., de- 

 scription 63 



Lepiota spp., effect on vegetation, 



U.S.D.A 222 



Leptinotarsa decemUneata. (Bee Po- 

 tato beetle, Colorado.) 



Leptocarydium alopecuroidea, studies 66 



Leptocorisa varicornis, notes 257 



Leptoglossus occurring north of 



Mexico ^^^ 



Leptohylemyia coarctata, control In 



Kief 257 



Leptoaphm-ia — Page. 



coffeigena, notes 51 



napi, notes 147 



sacchari, studies 851 



Leptostyla, nearctic, key 559 



Leptostylus biusttis, notes, U.S.D.A- 363 



Leptothyrium pomi, notes 550 



Leptoypha, nearctic, key 559 



Le.spedeza. {Bee Clover, Japan.) 

 Lettuce — 



culture in greenhouses, Ohio 344 



decay In transit, U.S.D.A 444 



diseases in Michigan 545 



Grand Rapids, improving, Ohio. 142 

 handling and precooiing, U.S. 



D.A. 444 



seed, production, Ohio 142 



sprayed, arsenic on, N.H 55 



varieties, Ohio 344 



Leucocytes of blood and pus, new 



enzym of 583 



Leucocytotherapy, notes . 588 



Leucoptera coffeella, notes 558 



Leucotermet flavipes on pecan, U.S. 



D.A. 157 



Leukemia and pseudoleukemia in 



fowls 179 



Levulose, humification 26 



Libocedrus decurrens, commercial 



importance, U.S.D.A 751 



Lice— 



and nits, destruction In clothing 



and blankets 859 



asymetrieal bird, notes 56 



body and head, life history awd 



habits 159 



Lidopus n.g. and n.sp., description 560 



Life zones of Wyoming, U.S.D.A 255 



Light- 

 effect on curing of tobacco 239 



effect on germination of Sphser- 



opsidales 225 



effect on germination of tobacco. 127 

 effect on toxicity of magnesium 



nitrate 224 



measurement 629 



sky, polarization, U.S.D.A 812 



(See also Sunlight.) 

 Lightning — 



injury to kale 149 



injury to sugar cane 250 



protection against, U.S.D.A 16 



Llgnin, humification 26 



Ligyrus rugiccpe. (Bee Sugar-cane 

 beetle.) 



Lily- 

 Easter, aerial bulbs on stems — 446 

 pollen, longevity 446 



Lime — 



analyses, R.I 521 



determination as calcium sul- 

 phate 312 



effect on humus content of 



soils, U.S.D.A 814 



effect on soil acidity, U.S.D.A- 620 



effect on strawberries, Mo 639 



