1919] 



INDEX OF SUBJECTS. 



949 



Date- -Contiu\iP(i. 



pasteurizing and ripeniDg apparatus, 

 Ariz., 314. 

 Dates, breeding experiments. Ariz., 342. 

 Datura — 



metel as source of scopolamine, 825. 



stramonitiw . mutation in, 634. 

 Darainca spp., transmission 685, 881. 

 Death camas, studies, Nev., 280. 

 Decticus verrucivorus, absence of comple- 

 ment in blood, 754. 

 Depuelia (Derris) spp. as insecticide, 661. 

 Dehydration. (See Drying.) 

 Delaware — 



Collese and Station, notes, 798. 



Station, report, 198. 

 Delphasiits cafalinw, importation, Fla., 54S. 

 Delphinium spp., toxicity, Wyo., 407. 

 Delphiniums, variety tests, 242. 

 Dendrocerus, new species and variety, 261. 

 Department of agriculture. (See United 



States Department of Agriculture.) 

 Deretaphrus oregonensis, notes, 259. 

 Dermacentor — 



spp., relation to fistulous withers, 480. 



venustus, studies and control, 57. 

 Dermatohia Jiominis, biology, 461. 

 Derocentrus, new genus, description, 261. 

 Derolomus ta^alis, notes, Fla., 549. 

 Derris as an insecticide, 661. 

 Deschampsia cwspitosa, analyses, Wyo.,33.'5, 

 Desert — 



land in United States, U.S.D.A., 693. 



mistletoes, sap concentration, 632. 



plants, origin and action, 25, 133. 



plants, root growth, oxygen response. 

 132. 



valley, imperfectly drained, vegeta- 

 tion, 220. 

 Dextrin v. starch in nutrition of tadpoles, 



469. 

 Diabetes, relation to alkali excess, 364. 

 Diabetics — 



diets for, 561, 562. 



metabolism, 761. 

 Diabrotica vittata. (See Cucumber beetle, 



striped.) 

 Diacrisia virgitiica, notes, 256. 

 Diaporthe talcola on the oak, 752. 

 Diarrhea, bacillary white, of chicks. Conn. 



Storr.s, 880. 

 Diarthronomyia hypogwa — 



notes. Conn. State, 159. 



remedies, 258. 

 Diaspis pentagonn, biological control, 847. 

 Diatnra saccharalis. {See Sugar cane 



borer.) 

 Dictyovaulufs filaria, life history, 878. 

 Dictiioihrips wgiiptiaca, notes, 455. 

 Dicyandiamid, effect on plant growth, 815. 

 Diet — 



accessory factors. (See Vitamins.) 



<icid-forming. relation to disease sus- 

 ceptibility, 855. 



and excretion of Asiatic races in 

 Singapore, 67. 



Diet — Continued. 



deficiency disease affecting feet of sol- 

 diers in trenches, 365. 

 deficiency disease in pigeons, patho- 

 genesis, 264. 

 deficiency diseases in Europe during 



the war, 765. 

 deficiency diseases, pathogenesis, 562. 

 deficiency diseases, relation to vita- 

 mins, 671. 



(See also Beriberi, Pellagra, 



Polyneuritis, Rickets, and 



Scurvy.) 



effect on alkaline reserve of blood, 765. 



effect on blood protein regeneration, 



859. 

 effect on teeth. 365, 471, 858. 

 effect on wound healing, 471. 

 meatless, cookbook for, 68. 

 of prisoners of war in Germany, 763. 

 of the Army, 854, 855. 

 restricted, effects, 763, 854, 862. 

 sugar and fat minimum in, 468. 

 vegetable, effect on growth and repro- 

 duction, 369. 

 (See also Food and Nutrition.) 

 Dietaries — 



for colleges, hostels, etc., 68. 

 hospital, 561. 

 military hospital, 855. 

 Digestion in the human stomach, studies, 



467, 857. 

 Digestive ferments, 781. 

 Digitaria didactyla, notes, Fla., 528. 

 Diglj/pJwsema anastrephce n.sp., descrip- 

 tion, 261. 

 Diorymellus Iwvimargo, notes, Conn. State, 



159. 

 Dioscorea — 



alata, culture experiments, 832. 

 pi flirnnilis, disease of, 749. 

 Diplococcus, anaerobic, from wounds, 470. 

 Diseases — 



classification according to protective 



effort, 778. 

 in Roumania during the war. 470. 

 of animals. (See Animal diseases.) 

 of plants. (See Plant diseases.) 

 Disinfectants — 



methods of analysis, 412. 

 new, 189, 875. 

 standardizing, 781. 

 Disk harrow for vineyards, tests. 8S7. 

 Disking — 



tractor costs. 790 ; Pa., 486. 

 V. plowing, Nebr., 434. 

 Distemper, respiratory, treatment, 284. 

 Distillers' dried grains, analyses. Can., 

 565 ; Conn.State, 176 ; N.Y.State, 868 ; 

 R.I.. 504. 

 Distilling — • 



bulb, new form, 311. 

 column, description, 615. 

 industry, handbook, 417. 

 Ditches, drainage and irrigation. (See 



Drainage and Irrigation.) 

 Dodder seed, devitalization, 646. 



