Oct. 7-Dec. 30, 1918 



Index 



669 



Page 

 Bordeaux mixture, used against Bacterium 



lachrytnans 217-218 



Botryorhiza hippocrateae, difference from Cro- 



nartium ribicola 627-628 



Boirytis — 

 cinerea — 



cause of damping-oS in conifers S47-SS8 



fungus isolated from Ipomoea batatas. . . 356-357 

 douglasii. Syn. Botrytis cinerea. 

 vulgaris. Syn. Botrytis cinerea. 

 Bouyoycos, George J., and McCool, M. M. 

 (paper): Determining the Absolute Salt 

 Content of Soils by Means of the Freezing- 



PointMethod 331-336 



Brassica — 



napus, injected areas due to freezing 87 



oleracea capitata, frost injury in 85 



Brier roses, resistant to brown canker 593-600 



Brisket disease — 



condition of heart 409-41 1 



effect of — 



altitude 411-414 



feed 411-413 



Bromelin, effect on oxidase activity of seeds. . 169 

 Bromus tcctorum — 



susceptibility to Puccinia graminis 222, 



228-229,240-241 



used in bridging-host experiment 228-249 



Brown Canker of Roses, Caused by Diaporthe 



umbrina (paper) 593-600 



Brown rust of bromes. SeePucciniadispersa. 

 Brown-tail moth. Sse Euproctis chrysorrhoea. 

 Bryanopsis laciniosa, host plant of Bacterium 



lachrymans 206 



Bug, gray-damsel. See Reduviolus ferus. 

 Bunzell, H. H., et al. (paper): Physiological 

 Studies of Normal and BUghted Spinach . 369-40S 



Bulgarian bacteria in alfalfa silage 581-590 



Byrophyllvun, production of injected areas 



due to freezing 86-88 



Cabbage. See Brassica oleracea capitata. 

 Calabash gourd. See Lagenaria vulgaris. 

 Calcium — 

 carbonate — 



effect on plowsole 507 



in olive earth 484 



used to neutralize hydrogen peroxid . . . 142-143 



in mulch, plowsole, and subsoil 508-516 



malophosphate crystals, formation in frozen 



spots of cabbage leaf 86-87 



nitrate in solution used in experiments with 



greensand 486-492 



oxid in — 



greensand 485 



mulch, plowsole, and subsoil 515-516 



normal and blighted spinach 371-375 



soil, effect of drying 325-328 



sulphate, effect on plowsole 507 



Calcium-acetate method, used in determining 



soil acidity 322-329 



Cane sugar, effect on alfalfa silage 584-590 



Canker, brown, of roses 593-600 



Capnodium m.cridionale, similarity to Colco- 



sporiu'ti senecionis 648 



Capriola dactylon, catalase and oxidase con- 

 tent of seeds .^ 137-174 



Page 

 Carbohydrate changes during hardening 



against frost injury 95-97 



Carbohydrate production in healthy and 



blighted spinach 381-384 



Carbohydrates, effect on alfalfa silage 584-590 



Carbon — 



digestibility in alfalfa hay and starch. . . . 271, 282 

 dioxid in — 



gaseous excretion 273, 284 



silage, released by enzymic and yeast 



action 589-590 



disulphid, effect on nitrogen-fixing organ- 

 isms in soil 601-614 



in dry matter of feeding stuffs 270 



in gaseous excretion 273, 284 



Carbonate — 



ammonium, used in experiments with 



plowscle 508 



calcium — 



effect on plowsole 507 



in olive earth 484 



sodium, effect on plowsole 507 



Carsner, Eubanks (paper): Angular-Leafspot 

 of Cucumber: Dissemination, Overwinter- 

 ing, and Control 201-220 



Caryopsis of seeds, catalase activity of 146-147 



Casein digesters in alfalfa silage 586-590 



Catalase and Oxidase Content of Seeds in 

 Relation to Their Dormacy, Age, Vitality, 



and Respiration (paper) 137-174 



Catalase of seeds — 



method of determining 139-141 



solubility 160-161 



Cattle, crosses between dairi' and beef 



breeds i-S7 



Cattleya orchids, fumigation with hydro- 

 cyanic-acid gas 263-268 



Cells, diameter in various parts of seeds of 



Johnson grass and crimson clover 14s 



Cephalothecium sp., fungus isolated from 



Ipomoea batatas 364 



Ceratitis capitata in Hawaii, parasitism 419-466 



Ceratocystis fimbriata. See Sphaeronema fim- 



briatum. 

 Ceratostoma sp., fungus isolated from Ipomoea 



batatas 364 



Chaetomium sp., not cause of damping-off in 



conifers 540-558 



Chaetospermum glulinosa, susceptibility to 



Pseudomonas cilri 662-665 



Chalcas exotica, susceptibility to Pseudomonas 



citri 661-666 



Charcoal-rot of Ipomoea batatas 351-352 



Chemical changes in plants during hardening 



against frost injury 95-97 



Chemistry of Sweet-Clover Silage in Compari- 

 son with Alfalfa Silage (paper) 113-132 



Cherry, French. See Eugenia unijlora. 

 Chlorid— 

 barium, used in determining nitrogen in 



spinach 400-404 



mercuric — 



effect on Bacterium lachrymans 205 



effect on oxidase activity of seeds 168-169 



used in determining nitrogen in spin- 

 ach 399-404 



