INDEX OF SUBJECTS. 



871 



Page. 

 Lawn fertilizer and weed destroyer, analyses, 



N.Dak 371 



Lawns, fertilizer experiments 26 



Laying houses, descriptions, Wash 692 



Leach, A.E., biographical sketch 500 



Lead arsenate — 



analyses 766 



Can 367 



Oreg 466 



U.S.D.A 163 



effect on apples, U.S.D.A 651 



foliage, U.S.D.A 163 



inspection in Canada 466 



methods of analysis, U.S.D.A 163 



solubility uivestigations, U.S.D.A 164 



tests, ni 59 



Lead arsenates, solubility 701 



eflcct on olive oil 112 



nitrate, effect on peaches, U.S.D.A 164 



Leaf color, factors affecting 724 



coloration of plants in winter 243 



form, relation to light requirement 724 



louse, injurious to sugar beets 348 



Leaves — 



autumn coloration investigations 428 



diffusion of sunlight by 724 



osmotic pressure in, as affected by light. . 527 



persistent, increased growth in 27 



post-mortem blackening, studies 131 



red, loss of carbon and oxygen from 725 



ricinus, phosphorus body in 8 



sumac, effect on soils 623 



transfer of plant food in 28 



willow, analyses 378 



Lebbek disease, prevalence in Cairo 552 



Lecanium imhricans, notes 662 



spp., injurious to coffee 758 



Lecanium, new species, descriptions 54 



Lecithin, effect on metaboUsm 470 



sex determination 472 



influence on growth 774 



physico-chemical investigations 305 



Lecithodendrium ascidia, organism resembling 663 



Leghorns , egg production by 380 



Legumes, purln content 770 



Leguminos.T, Philippine, taxonomy 727 



Leguminous plants — 



as a cover crop, Hawaii 241 



green manures 322, 323 



cooperative experiments In Cape Colony. . 730 



culture In Washington, Wash 531 



effect of light on seed development 723 



for permanent pastures 34 



inoculation 319, 432,545 



U.S.D.A 318 



experiments, Can 318 



Insects affecting 254 



peat ash for 427 



piire-bred strains, cultm-e 432 



varieties 633 



Lemon- 

 disease, new, notes 550 



extract — 



adulteration, U.S.D.A. 108,271,371,568,709 



mLsbranding, U.S.D.A . 168, 271, 371, 568, 769 



oil, adulteration, U.S.D.A 769 



Page. 

 Lemon — Continued . 



oil, misbranding, U.S.D.A 568,769 



peel, effect on yeast fermentation 63 



powder, adulteration and misbranding, 



U.S.D.A 271 



Lemons, circular white scale affecting 758 



destruction by gophers, U.S.D.A. . 154 



Lenticels, winter condition, studies 229 



Lentils, proteolytic enzymns In ill 



Lentz's bodies, studies 482 



Lenzites, spp., notes 751 



treatise 354 



Leopard, gulnear-worms in 393 



moth, notes. Conn. State 361 



Lepidoptera, British, natmal history 758 



In the British Museum 758 



notes 663 



of India 353 



parasitism in 761 



Lepidosaphes beckii. {See Purple scale.) 



gloveri. (See Glover's scale.) 

 ulmi. (See Oyster-shell scale.) 

 Leptinotarsa decemlineata. (See Potato bee- 

 tle, Colorado.) 

 Leptochloa dubia, culture experiments, 



U.S.D.A 136 



Leptodactylus ocellatiLs, endoglobular stages of 



trypanosomes in 585 



Leptoglossus spp., injuring cotton, U.S.D.A. . 462 



Leptomonas davidi n.sp., description 153 



Leplops hopei, notes 659 



Leptosphasria iwamotoi n.sp., description 347 



Leptotxnia multiftda, analyses and digestibil- 

 ity, Nev 72 



Leptothrips aspersus, notes 255 



Lettuce sclerotinlose, investigations 452 



Leucania unipuiKta, injurious to rice, Hawaii. 233 



Leucin, absorption by plants 725 



Leucocytes — 



action of endotoxic substance on 785 



as affected by drugs 188 



bactericidal power 682 



in horses, studies 682 



infection and inununlty, lectures on . . 583 



milk, determination 80 



relation to alexins 388 



r61e of, in artificially Infected animals ... 690 



Leukemia in fowls, studies 690, 792 



Libertella ulcerata, description and treatment. 454 

 Library association meeting at Mackinac 



Island 501 



for experiment stations, editorial on. 501 



Lice as affected by temperature 559 



development of Trypanosoma lewisi In. . 662 



remedies 589 



transmission of Spirochxta obermeieri by . 163 



typhus fever by 67 



Lichens, effect on organic matter in soils 621 



Llchtensla, new species, descriptions 54 



Ligaments in fowl oviducts, studies, Me 275 



Light, alpine. Intensity Investigations 131 



colored, effect on plant growth 326 



effect on bud expansion 27 



enzym action 306 



methan absorbing bacteria. . 621 



mllkfat 211 



