INDEX 



Page 

 Abbella subflava, parasite of Eutetiix tenella.. . 250 

 Abies — 



balsamea, hypertrophied lenticels 255-266 



grandis, hypertrophied lenticels 25s 



Abutilon — 

 berlandieri, food plant of — 



Meskea ihyridinae 828-829 



Telepkusa mariona 812 



incanum, food plant of — 



Meskea ihyridinae 828-829 



Telepkusa mariona 812 



Acer negundo, composition of green and albino 



leaves 179 



Acetic acid. See Acid, acetic. 

 Acid — 



acetic, in sugar beet top silage 540-542 



boric, value as disinfectant 86-110 



butyric, in sugar beet top silage 541-542 



carbolic, coefficients of chlorin antiseptics, ioc-102 

 citric — 



availability of iron to rice plants in cal- 

 careous and noncalcareous soils 5°-54 



in grapefruit 359-372 



glutaminic, in potato protein 624 



hydrochloric, effect on availability of po- 

 tassium 619-621 



hypochlorous, value as disinfectant 86-110 



lactic, in sugar beet top silage 540-542 



nitric, effect on availability of potassium. 619-621 

 phosphoric — 



effect on availability of potassium 616-617 



in plants grown with ferrous sulphate and 



gypsum 42 



in plants grown with sodium bicarbonate 



and sprayed with lime and iron salts. . 46 

 in potato tubers, skins, and sprouts. . . . 628-634 



propionic, in sugar beet top silage 540-542 



tartaric — 



availability to rice plants in calcareous 



and noncalcareous soils 50-54 



effect on yield of volatile oil from Chinese 



colza seed 130-131 



valeric, in sugar beet top silage 541-542 



Acid-base balance of poultry feed 141-149 



Acidity of — 



poultry feed mixtures 141-149 



sap of normal and mottled orange leaves. 186-187 



soil, relation of calcium content 855-868 



sugar beet top silage 540-542 



wheat, changes due to tempering 272-275 



Acids — 



diamine in potato sprouts 624 



effect on availability of potassium 619-620 



Acids-solids ratio in grapefruit 359-373 



Acronyctinae, one species collected on Mal- 



vaviscus drummondii 834 



Adesmia spp. , hosts of Urophlyctis alfalfae in 

 Argentina 296 



Page 

 Adomoniga demylus, parasite of Neodiprion 



lecontei 757-758 



Aedemoses haesitans, similarity to Pectino- 



phora gossypiella 816-817 



Aegeriidae, similarity of one species to Pecii- 



nophora gossypiella 826-827 



Aeration, relation to hypertrophied lenticels 



on the roots of conifers 253-266 



Aerobic bacilli in canned ripe olives 377 - 379 



Age, effect on composition of potato tubers, 



skins, and sprouts 632-634 



Age of mycelium of Rhizopus iriiici, effect on 



hydrolysis of starch 766-768 



Agrotinae, similarity of certain species to 



Pectinophora gossypiella 833 



Aguingay. See Rottboellia exaltata. 



Ainslie, George G., and Cartwright, W. B. 



(paper): Biology of the Smartweed Borer, 



Pyrausta ainslii Heinrich 837-844 



Air, carbon -dioxid content in barns 405-408 



Alabama argillacea, collected on cotton 834 



Alanin in potato protein 624 



Albumins, effect on freezing-point depression 



of seeds 593 



Alcohol, effect on — 



tetanus 69 



yield of volatile oil from Chinese colza seed . 130-13 1 

 Aletia argillacia. Syn. Alabama argillacea. 

 Alfalfa. See Medicago saliva. 

 Algae — 



influence on effect of copper sulphate on 

 organisms in water 200-203 



susceptibility to copper salts 197 



Alkaline reaction, effect on chlorosis of plants . 42-47 

 Alkalinity — 



influence on effect of copper on organisms 

 in water 200-203, 205 



of poultry feed mixtures 141-149 



of soil, relation of calcium content 855-868 



Allium — 



ascalonicum, host of Colletotrichum circi- 

 nans 686-722 



cepa, host of Collelolrickum circinans . . . . 685-722 



porrum, host of Colletotrichum circinans. . 686-722 



sativum, host of Colletotrichum circinans. . 686-722 

 Allyl— 



cyanid, formation during maceration of 

 Chinese colza seed 131 



isothiocyanate, physical constants 127 



thiocyanate, formation during maceration 

 of Chinese colza seed 131 



thiourethane, formation during maceration 



of Chinese colza seed 131 



Almond, tropical. See Terminalia catappa. 

 Althaea rosea, food plant of Crocidosema ple- 



beiana 822 



Aluminum in normal and mottled citrus 



leaves l6 7 



889 



