SUBJECT INDEX 



197 



Date palms— Continued. 



ornamental, culture in Arizona, (32) 233. 



transplanting experiments, (34) 231. 

 Date stone beetle, notes. (33) 750. 



artificial ripening studies, (27) 539; (29) 439. 

 ash analyses, (29) 861. 

 Babylonian, for California. (31) 238. 

 breeding experiments, (27) 528. 

 culture — 



experiments. (29) 338. 

 in Arizona, (32) 232. 

 California. (26) 336. 

 Egypt, (38) 347. 

 Salt River Valley. (29) 439. 

 the Punjab, (30) 444. 

 the Southwest, (29) 542. 

 dried, analyses, (30) 861. 

 dried, preparation and use, (29) 462. 

 loss of astringency during ripening, (26) 327. 

 of Egypt and Sudan. (34) 43. 

 pasteurizing, (39) 439. 

 thinning experiments, (35) 537. 

 treatise. (30) 238. 

 varieties, (28) 533; (32) 232. 

 varieties for southern Arizona, (27) 539. 

 Datura — 



breeding experiments, (36) 838; (37) 546. 

 electroculture experiments, (30) 430. 

 for classroom work in genetics, (37) 831. 

 inheritance studies, (39) 747. 

 origin of alkaloids in, (27) 228. 

 spp., breeding experiments, (30) 631. 

 stramonium — 



agglutinating properties, (31) 774. 

 inheritance studies, (40) 131. 

 notes, (30) 145. 

 Daucus carota, carotinoid content, (31) 803. 

 Davainea — 



cesticillus, life history, (40) 359. 

 n.spp., descriptions. (33) 775. 

 n.spp., in fowls, (34) 281. 

 spp.. intermediate host, (35) 578, 683. 

 Daviesia latifolia, constituents of leaves and stems, 



(32) 501. 

 Dawn, "warmth of," (40) 314. 

 Daylight illumination, measurement, (32) 810. 

 D eaminization — 



by tyrosinase, (36) 412. 

 in the animal body, (40) 866. 

 Death camas — 



description, (32) 474; (39) 386. 

 examination, (27) 881. 

 monograph, (33) 177. 

 notes. (31) 578; (32) 778. 

 poisoning of sheep by. (28) 197. 

 poisoning stock. (39) 184. 787. 

 Death feigning in insects, studies, (27) 457. 

 Debab, transmission by blood-sucking insects, (26) 



150. 

 Debility in horses, cause, (39) 892. 

 Deer — 



breeding, treatise. (29) 171. 

 chromatin bodies in erythrocytes of, (29) 478. 

 destruction by helminths, (26) 653. 

 Flat bird reservation, (37) 355. 

 host of spotted fever tick. (26) 64. 

 protection in Alaska. (28) 450; (36) 791. 

 Deficiency disease, see Diet deficiency. 

 Defoliation, effect on — 



composition of sugar beets, (31) 435. 

 wood growth and structure, (30) 228. 

 Deforestation in Savoy, (35) 346. 

 Degeeria funebris, notes, (30) 459; (31) 251. 

 DeUephila — 



elphenor, notes, (26) 250. 

 euphorbiae, notes, (26) 656. 

 Delaware — 



College, notes, (27) 900; (28) 494; (29) 195, 697; 

 (31) 496; (33) 794; (34) 295, 797; (35) 95, 397, 596; 

 (36) 694, 796; (37) 397, 600; (38) 96, 399, 699, 900; 

 (39) 694; (40) 98, 798. 

 Station — 



Farmers' Day guide for, (32) 693. 

 financial statement, (27) 396; (29) 793. 

 guide to experiments, (26) 795. 

 notes, (26) 300; (29) 195; (31) 600; (34) 797; 

 (35) 95, 596; (36) 694, 796; (37) 397, 600; (38) 

 96, 900; (39) 300, 694, (40) 98, 798. 



Delaware — Continued . 

 Station — Continued . 



report, (32) 496, 796; (35) 195; (36) 898; (39) 



196. 

 report of director, (27) 396; (29) 793. 

 Delphacidae — 



of Hawaii, new, (38) 557. 

 of North and South America, (31) 550. 

 Delphacinae of North and South America, (32) 247. 

 Delphastus catalinae — 

 notes, (39) 461. 



parasitic on white flies, (37) 58. 

 Delphax saccharivora, notes, (29) 52; (34) 753. 

 Delphinin, studies, (34) 709. 

 Delphinium — 



alkaloids of, (35) 780. 



consolida, agglutinating properties, (31) 774. ' 

 spp., analyses, (30) 577. 

 spp., notes, (32) 778. 

 spp., poisoning stock, (39) 386, 587. 

 Deltocephalus — 



minki, life history, (35) 553. 

 n.spp., descriptions, (34) 255. 

 spp., notes, (27) 858; (33) 356. 

 Dematophora — 



glomerata injurious to grapes, (31) 544. 

 necatrix — 



notes, (26) 750; (34) 49; (38) 51; (40) 749. 

 studies, (32) 149. 

 treatment, (30) 543. 

 sp. on coflee, (32) 645. 

 Demodex — 



erinacei n.sp., description, (38) 865. 

 folliculorum, remedies, (34) 275. 

 muscardini n.sp., description, (38) 865. 

 Demurrage information for farmers, (33) 91. 

 Denaturants, detection in ethyl alcohol, (29) 312. 

 Dendragapus canadensis, growing in captivity, (27) 



675. 

 Dendrobium thyrsiflorum, carotinoid content, (31) 



803. 

 Dendrocalamus strictus, culture experiments, (34) 



232. 

 Dendroctonus — 



brevicornis, see Western pine beetle, 

 engelmanni, see Spruce beetle, Engelmann. 

 frontalis, see Pine beetle, southern, 

 jeffreyi, see Jeffrey pine beetle, 

 micans, see Spruce beetle, European, 

 monticolae, see Mountain pine beetle, 

 murrayanae, see Lodgepole pine beetle, 

 ponderosae, see Black Hills beetle, 

 pseudotsugae, see Douglas fir beetle. 

 vaJens, see Turpentine beetle, red. 

 Dendrograph, description, (40) 817. 

 Dendrolimus — 



pini, egg parasite of, (26) 557. 

 pini, metamorphosis, (34) 361. 

 spp., biology and remedies, (31) 655. 

 Dendrology — 



bibliography, (26) 240; (27) 846. 

 scope of, (31) 342. 

 Dendrometer, description, (30) 347; (38) 248. 

 Dendropemon— 



sp., notes, (37) 453. 

 spp. on citrus trees, (39) 56. 

 Dendrophoma — 



cofleicola, notes, (38) 51. 

 marconii, notes, (32) 146. 

 saccharicola, notes, (37) 553. 

 Dendrotettix quereus, notes, (35) 255. 

 Dengue fever — 



in Australia, (40) 552. 

 mosquito carriers, (39) 262, 263. 

 Denitrification — 

 as affected by — 



organic substances, (31) 223. 

 soil moisture, (36) 513. 

 StreptothrLx, (27) 621. 

 in Nebraska soOs, (29) 734. 

 plants, studies, (29) 325. 

 sandy loam soils, (36) 321. 

 soils, (26) 721, 723; (27) 424; (29) 817; (31).722, 



818, 819; (34) 423. 

 soils of different water content, (32) 618. 

 tilled and untilled faUow, (30) 216. 

 mechanism of, (30) 718. 

 role of enzyms in, (32) 112. 



