INDEX 



Page 



Absidia spp., isolation from soil 8i 



A cer douglasii, food plant of Taeniopleryx spp . 41 



Acetic acid. See Acid, acetic. 



Acetone, effect on infectivity of mosaic 



virus 626-627 



Acid — 

 acetic, eflect on infectivity of mosaic virus. . 621 

 carbolic, effect on infectivity of moasic 



virus 624-625 



carbonic, effect on calcium arsenates 288-289 



citric, effect on infectivity of mosaic virus. . 621 

 hydrochloric — 

 effect on hydration capacity of gluten. . 41&-414 



effect on infectivity of mosaic virus 620 



lactic, effect on hydration capacity of glu- 

 ten 410-4:4 



nitric, effect on infectivity of mosaic vi- 

 rus 619-620 



oxalic, effect on hydration capacity of 



gluten 410-414 



phosphoric — 



effect on hydration capacity of gluten. . 410-414 



effect on infectivity of mosaic virus. . . . 620-621 



tannic, effect on infectivity of mosaic virus. 633 



Acidity, soil, influence of green manures on. 171-197 



.< jtocysiis batatas, nonvaUdity 447 



Actinomyces spp., association with pox 445-447 



Air, effect on olive oil 356-364 



Alcohol, effect on infectivity of mosaic vi- 

 rus 627-636 



Aldehyde, production in olive oil 364 



Alder. See Alnus tenuifolia. 

 Alfalfa. See Medicago saliva. 

 Allard, H. A. (paper): Effects of Various 

 Salts, Adds, Germicides, etc., upon the In- 

 fectivity of the Virus Causing the Mosaic 



Disease of Tobacco 619-63 7 



Allium cepa, effect of boron-treated manure 



on 460 



Alnus tenuifolia, food plant of Taeniopleryx 



spp 39- 41 



Aluminium sulphate, effect on infectivity of 



mosaic virus 622 



Amelanchier sp., food plant of Taeniopleryx 



spp. 



Ammonia, production in soil by green ma- 

 nures 179-180 



Amygdalus pcrsica — 



effect of boron on 453 



effect of calcium borate on 453 



food plant of Taeniopleryx spp 38 



Anarsia lineatella, resemblance to Laspeyresia 

 molesta 64-65 



Andropogon sorghum, effect of meteorological 

 factors on 133-148 



Andropogon sorghum, transpiration 579-604 



Anthocyan, relation to flavones 43° 



Anthracnose of Lactuca saliva— Page 



control 277-279 



distribution 264 



economic importance 264 



etiology 265-266 



symptoms 264-265 



Anthracnose of Lettuce Caused by Marsso- 



nina panattoniana (paper) 261-280 



Anthrax serum, inoculation experiments. , . 493-494 

 Antiformin, effect on infectivity of mosaic 



virus 634 



Antitoxin, tetanus — 



destruction of 471-494 



inoculation experiments 493-494 



Apple. See Malus sylveslris. 

 Apricot. See Prunus armeniaca. 

 Armsby, H. P., Fries, J. A., and Braman, 

 W. W. (paper): Basal Katabolism of Cattle 



and Other Species 43-5 7 



Ascockyta medicaginis, s>^. Pyrenopeziza medi- 



caginis. 

 Ascogaster carpocapsae, parasite of Laspeyre- 

 sia molesta 70 



Aspergillus Spp., isolation from soil 81 



Avena saliva, density of cell sap in relation to 



winter hardiness 500-505 



Bacillus phytophlkorus — 



cause of blackleg of Solarium tuberosum 507 



overwintering in soil 507-509 



Bacteria — 



cause of diseases of Lactuca sativa 3 67-3 83 



cause of Japanese gipsy-moth disease .... 515-522 



cheese 225-252 



Bacterial-blight, resemblance to sunscald .... 649 

 Bacterial Flora of P^oquefort Cheese (pa- 

 per) 225-233 



Bacterium — 



bulgaricum, in Roquefort cheese 227-232 



giintheri, syn. Streptococcus lacticus. 

 lactis acidi, syn. Streptococcus lacticus. 

 marginale — 

 causal organism of bacterial disease of 



Lactuca sativa 3S6-3S7 



control 387 



description 381-387 



inoculation of Lactuca sativa with 380-381 



isolation from Lactuca saliva 380-381 



n. sp 386-387 



soya, syn. Streptococcus kefir, 

 viridilividum — 

 causal organism of bacterial disease of 



Lactuca sativa 37o-37t 



inoculation of Lactuca sativa with 371 



isolation from Lactuca sativa 371 



vitians — 

 eausal organism of bacterial disease of 



Lactuca saliva 22,368-370,373-379 



control 387 



(655) 



