924 



EXPEKIMENT STATION EECORD. 



Page. 

 Alfalfa— Continued. 



leaf spot, notes, Can 547 



weevil, notes, Nev 851 



studies, U.S.D.A 160 



meal, analyses 574, 870 



La 477 



Mass 71,574 



N.J 774 



Wis 173 



effect on strength of bones, Nebr. . . 874 



nitrogen compounds of, Nev 810 



products, analyses, Ind 870 



roots, fertilizing value 120 



seed, adulteration and misbranding, 



U.S.D.A 237 



germination tests, Conn. State 739 



sterilizing experiments 144 



seeding experiments, Utah 31 



varieties 232 



Can 529 



U.S.D.A 439 



Utah 31 



winterkilling, U.S.D.A 438 



yields 332 



Can 529 



Alga carbohydrates, nutritive value 367 



Algse, assimilation and growth in 27 



Alkali, effect on concrete, Mont 490 



plant growth, U.S.D.A 328 



soils. {See Soils, alkali.) 



Alkalis, effect on root curvatiues 633 



production in soils 514 



Alkaloids, occurrence in hellebore plants 202 



origin in plants 634 



studies 107 



Allantoin, occurrence in foods 168 



sugar beets 201 



Alligator pears. (See Avocados.) 



A llograpta obliqua, notes, N. Y.Comell 659 



Nebr 852 



Almond leaf blight, notes 754 



Almonds, analyses 272 



curculio affecting 752 



host of cacao thrips 852 



Alrnis cTispa, fixation of nitrogen by, 



U.S.D.A 527 



A lopecuTus— 



agrestis, host of Sderospora macrospora. . . 547 



pratensis, yields 33 



Alpine culture schools in Austria 792 



Alternaria, fixation of nitrogen by 228 



A Iternaria forsythix n.sp. , description 458 



solani as affected by tannin 524 



notes 452 



spp., studies, N.Dak 649,650 



Althxa rosea, host of hollyhock rust 850 



Alum, detection in pickles 165,411 



Alumina, effect on assimilation of phosphoric 



acid 121 



Alumlnite, powdered, fertilizing value 727 



Aluminum, absorption from foods 573 



effect on plant growth 521 



yields 522 



nitrogen, fertilizing value 629 



utensils, deterioration 673 



A lyssum alyssoides, notes. Can 527 



Page. 



Amakebe, transmission 882 



Amanita spp., immunization against 683 



toxicity 780 



Amanite poisoning in rabbits, immunization. 683 

 Amblyomma amerkanum, relation to Rocky 



Mountain spotted fever 161 



liebrxu m, fumigation experi- 

 ments 887 



AmUythrips n.g. and n.spp., descriptions 52 



Amboceptors, hemolytic, notes 284 



studies 180 



Amempheres sp., parasitic on melon worm, 



N.C 761 



American Association — 



of Farmers' Institute Workers, proceed- 

 ings, U.S.D.A 497 



Medical Milk Commissions 581 



Amids as affected by lactobacillin 609 



Amino nitrogen, defermination 710 



Ammonia- 

 absorption from the atmosphere 812 



crude, studies 121 



detection in water 410 



determination, N.C 810 



excretion, effect on alkalinity of body 670 



formation in soils 526, 622 



N.J 423 



loss from manure 22 



manured soils 726 



manufacture from coal formations 630 



peat 726 



occurrence in milk 807 



salt, new, preparation and use 322 



synthesis 517, 629 , 630 



Ammoniflcation in soils, N.C 227 



Ammonium- 

 copper carbonate, effect on green leaves.. 128 



salts, effect on root curvatures 633 



soils 514 



utilization by plants 223 



sulphate. (See Sulphate of ammonia.) 

 a-monohydroxystearic acid, occurrence in 



soils, U.S.D.A 723 



Amorbia emigratella, notes, Hawaii 358 



Amphicoma vulpina, notes. Me 555 



Aniygdalin, absorption by plants 433 



A mygdalus communis, analyses 272 



Amyl acetate, toxicity 281 



Amylase, formation in living cells 309 



Amylopectin, studies 324 



Amylose, studies 324 



Anagrus incarnatus, occurrence in United 



States 262 



spintus n.sp., description 262 



Avaphothrips striatus (obscurus), identity 151 



Anaphylaxis — 



production with plant substances 283 



protein, treatise and bibliography 282 



relation to immunity 282 



tryptic digestion 881 



Anaplasma marginale, notes 484, 782, 882 



parasitic in pigs 881 



Anaplasmosis in donkeys, notes 183 



{See also Gall-siclmess.) 

 Anarsia lineatella. (See Peach twg-moth.) 



Anastrepha ( Trypeta) ludens, notes 56 



