650 



Journal of Agricultural Research 



Vol. X 



Bacteria— Page 



cause of heat production in silage 77 



probable cause of new disease of Triticum 



spp S2 



Baker, A. C, and Davidson, W. N. (paper): A 

 Further Contribution to the Study of Erio- 



soma pyricola, the Woolly Pear Aphis 65-74 



Barberry. See Berberis spp. 



Barren spots, origin 580-582 



Benzene, toxicity to insects 367, 369, 370 



Berberis spp., relation to rust epidemics 4S9-491 



Berry, service. See Amelanchier canadensis. 

 Biologic Forms of Puccinia graminis on Ce- 

 reals and Grasses (paper) 429-496 



Bituminous aggregates. See Aggregates. 

 bituminous. 



Black Rootrot of the Apple (paper) 163-174 



Black rootrot. See Rootrot, black. 



Blaiella germanica, effect of nicotine sulphate 



on 48 



Blight- 

 needle, description 100 



nursery, of Juniperus spp. — 



control 538-539 



description 534-536 



distribution 535-536 



history 533-534 



Borax, effect on Triticum spp. of manure 



treated with 591-597 



Boron, effect on Triticum spp 591-597 



Brassica — 

 juncea, host plant of Plutella m,aculipennis . 3 



napus, host plant of Plutella inaculipennis . 3 



nigra, host plant of Plutella maculipcnnis . . 3 



oleracea — 



acephala, host plant of Plutella inaculi- 

 pennis 3 



boirytis, host plant of Plutella maculi- 



pennis 3 



capitata, inoculation with Colletotrichum 



leafspot fungus 158 



caulo-rapa, host plant of Plutella maculi- 



pennis 3 



liridis, inoculation with Colletotrichum 



leafspot fungus 158 



rapa — 

 host of Colletotrichum leafspot fungus. 157-162 

 identification of causal organism of Col- 



letotrichmn leafspot i6o-i6i 



Breazeale, J. F. (paper): Formation of 

 "Black AlkaU" (Sodium Carbonate) in 



Calcareous Soils 541-590 



Bromcresol purple, substitute for litmus for 



use in milk culture 105-1 1 1 



Brometone, toxicity to insects 368, 3 70 



Bromid, ethylene, toxicity to insects . . 367, 368, 370 

 Brommethylphenylketone, toxicity to in- 

 sects 367-370 



Bromoform, toxicity to insects 367,368,370 



Butyric acid, toxicity to insects 367,368.370 



Cabbage. See Brassica oleracea capitata. 

 Calcium — 

 arsenate — 



burning effect of spray on plant 206 



toxicity 199-207 



Calcium — Continued Page 



carbonate — 



effect of paraffin on 355-363 



effect of sodium salts upon solubility of 



in soils 577-578 



reaction with sodium — 



chlorid and calcium chlorid 547 



nitrate and calcium nitrate 547 



nitrate and calcium sulphate 549 



salts 543-546, 566 



salts and carbon dioxid 558-560 



sulphate and calcium sulphate 547, 550 



chlorid, reaction with sodium chlorid and 



calcium carbonate 547 



in alkali 342-344,349,352 



in ash 340-34l)349,352 



in gypsum 350 



in sandstone 337>344-345>349>352 



in shale 338-340, 349, 352 



in soil , 341.343-344.348 



nitrate, reaction with sodimn nitrate and 



calcium carbonate 547 



sulphate, reaction with — 

 sodium chlorid and calcium carbonate. . . 549 

 sodium nitrate and calcium carbonate . . . 549 

 sodium sulphate and calcium carbonate . 547 , 550 

 Cambium miner. See Agromyza aceris. 



Camphene, toxicity to insects 367, 368, 369, 370 



Camphor, toxicity to insects 368, 370 



Candytuft. See Iberis amara. 

 Carbon — 



bisulphid, toxicity to insects 367,369,370 



dioxid, reaction with sodium salts and cal- 

 cium carbonate 55S-560 



tetrachlorid, toxicity to insects 367, 368, 370 



Carbonic acid. See Acid, carbonic. 

 Caterpillar. See Malacosom.a pluvialis. 

 Cattle- 

 correctives for whole-wheat feeding 190-192 



energy values of feed for S59-613 



growth, effect of vitamines on 187-189 



growth on corn rations 176-180 



growth on wheat rations 178-180 



milk secretion of, effect of — 



baked wheat on 183-184 



mineral acids added to corn ration on. . 186-187 



raw flour on 183-184 



salts added to imperfect ration 180-183 



various rations on 178-180, 191-192 



vitamines with wheat ration on 187-189 



wheat embryo on 189-192 



reproduction of, effect of — 



baked wheat on 183-184 



balanced rations on 1 76-180 



imperfect rations 176-180 



mineral acids added to a corn ration on . 186-187 



raw flour on 183-184 



salts added to corn ration 184-185 



salts added to imperfect rations 180-183 



vitamines with wheat ration on 187-189 



wheat embryo on 189-192 



Cauliflower. See Brassica oleracea botrylis. 

 Cedar- 

 blight. See Blight, cedar, 

 red. See Juniperus virginiana and /. scop- 

 ulorum. 



