6io 



Journal of Agricultural Research 



Vol. xvm 



Chlorid — Continued Page 



sodium — 



in poultry rations 394 



tolerance of wheat seedlings, effect of 

 lime 347-356 



Chloridea obsoleia, experimental host of Soro- 

 sporella uvella 432-436 



ChloTOps — 

 flit. Syn. Oscinisfrit. 

 pusilla. Syn. Oscinisfrit. 



Christie, A. W., and Martin, J. C. (paper): 

 Effect of Variation in Moisture Content on 

 the Water-Extractable Matter of Soils. . . 139-143 



Chrysanthemum spp., hosts oi Scleroiium rolf- 

 sii 128 



Chrysophyllum olivac forme, host fruit of Ccra- 

 titis capitata 442—446 



Cirphis — 



phragmiiidicola at light traps 477-481 



unipuncta at light traps 477-481 



Citric acid. See Acid, citric. 



Citrullus vulgaris, host of Scleroiium rolfsii. 127-128 



Citrus seedlings, response to salts and organic 

 extracts 267-274 



Citrus sp., host fruit of Ceratitis capitata . . . 442-446 



Clover — 

 effect of carbonates of calaum and magne- 

 sium on yield in acid soils 121-122 



hay in ration of two-year-old steers 241-254 



Cleonus punctiventris, host of — 



A crsmoniutn cleoni 402 



Sorosporella uvella 400 



Cleora pampinaria at light traps 477-481 



Coerper, Florence M. (paper); Bacterial 

 Blight of Soybean 179-194 



Cofjea arabica, host fruit of Ceratitis capitata . 442-446 



Collins, C. W., and Hood, Clifford E. (paper): 

 Life History of Eubiomyia calolomae, a 

 Tachinid Parasite of Calosoma Beetles. . . 483-497 



Colocasia esculenta, host oiSclerotiumrolfsii. 128, 130 



Complement-fixation test for dourine 145-154 



Conner, S. D., and Noyes, H. A. (paper): 

 Natural Carbonates of Calcium and Mag- 

 nesiiun in Relation to the Chemical Com- 

 position, Bacterial Contents, and Crop- 

 Producing Power of Two Very Acid Soils. 119-125 



Cooley, J. S., et al. (paper): Nature and Con- 

 trol of Apple-Scald 21 1-240 



Corn — 

 ground, in ration of two-year-old steers . . . 241-254 



meal, acidity 36 



silage, comparison with sunflower silage. . . 327 

 See Zea mays. 



Costnia paleacea at light traps 477-481 



Cosmos bipinnata, effect of relative length of 

 day and night 598 



Cotton Rootrot Spots (paper) 305-310 



Cotton. See Gossypium kirsuium. 



Crop yields, effect of length of day 597 



Crude fiber — 



in brown and black alfalfa 301-303 



in cortex and interior tissue of potatoes. . 286-287 

 in sunflower and corn silage . . 327 



Crude protein in yellow-berry wheat 167 



Cucumber. See CticuTnis sativus. 



Cucumis — Page 



■melo, host of Scleroiium. rolfsii 127 



sativus, host plant of Oscinisfrit 471 



Cucurbita spp., hosts of Scleroiium rolfsii. . . 127-128 



Curculio, sugar-beet. See Cleonus puncti- 

 ventris. 



Cyanogenesis m Sudan Grass: A Modifica- 

 tion of the Francis-Connell Jlethod of Deter- 

 mining Hydrocyanic Acid (paper) 447-450 



Cyperus strigosus, host plant of Oscinisfrit. . . 471 



Cyrtogaster occidentalis, parasite of Oscinis 

 spp 471-472 



Daphne spp., hosts of Scleroiium rolfsii 128 



Darapsa — 



myron at light traps 477-481 



pholus at light traps 477-481 



Dalana — 



ministra at light traps 477-481 



perspicua at light traps 477-481 



Daucus carota, effect of relative length of day 

 and night 566 



Day, effect of length on growth and reproduc- 

 tion in plants 553-606 



Desiccation, effect on Bacteriuvi glycineum. . . 188 



Determination of Normal Temperatures by 

 Means of the Equation of the Seasonal Tem- 

 perature Variation and a Modified Thermo- 

 graph Record (paper) 499-510 



Development of the Pistillate Spikelet and 

 Fertilization in Zea mays L,. (paper) .... 255-266 



Dextrose— 

 in potato tubers attacked by Pythium 



debaryanum, 277-278 



in Sorghum, vulgare 4-30 



Diachasma — 

 /wWdTOaj/i, paras te of Ceratitis capitata.. . 441-446 

 tryoni, parasite of Ceratitis capitata 441-446 



Diacrisia virginica at light traps 477-481 



Diammonium phosphate, efiect on yield in 

 acid soils 121-122 



Dianthus plumarius, host of Sclerotium rolfsii . 128 



Dipotassium phosphate — 



efiect on yield in acid soils 121-122 



in poultry rations 394 



Dipterygia scabriuscula at light traps 477-481 



Distribution of plants, effect of length of 

 day 593-597 



d-l-AsparaE;in in juice of Sorghum vulg^jre. . . . 21-22 



Dolomite, effect on yiold in arid soil; 121-122 



Do Mold Spores Contain Enzyms? (paper) 195-209 



Doryphnra decem-lineata, larva, not attacked 

 by Eubiomyia calosomae in experiment 495 



Dourine, effect on — 



brain 148-149 



extraspinal nerve trunks 153 



spinal cord 149-152 



spinal ganglia. 152-153 



Dowell, C. T., and Menaul, Paul (paper): 

 Cyanogenesis in Sudan Grass: A Modifica- 

 tion of the Francis-Connell Method of De- 

 termining Hydrocyanic Acid 447-450 



Dracocephalum argenese, host of Sclerotium 

 rolfsii 128 



Echinochloa crusgalli, host plant of Oscinis 

 frit 471 



