210 



EXPERIMENT STATION" RECORD 



Dynamite— Continued . 



effect on yield of cotton and corn, (31) 432; (38) 



335. 

 experiments with, (33) 084. 

 for blasting ditches, (35) 789; (36) 89. 

 clearing land, (35) 887; (36) 785. 

 field crops, (35) 30. 

 heavy soils, (34) 819; (35) 493. 

 orchard soils. (33) 239; (35) 539. 

 soil preparation for alfalfa, (34) 228. 

 tree planting, (29) 339; (32) 535; (33) 439; (35) 

 38, 236. 752. 

 Stumps, removal with, (26) 187. 

 subsoilingwith, (30) 386; (32) 884. 

 use in agriculture, (33) 90. 

 use in drainage, (29) 182. 

 use in rubber culture, (34) 47; (35) 582. 

 use on the farm, (27) 292, 689; (28) 185. 

 Dynamiting — 



effect on yield of cereals, (32) 528. 

 effect on vield of oats, (32) 430. 

 experiments, (39) 336. 

 for citrus fruit and pineapples, (31) 635. 

 for Great Plains soils, (39) 812. 

 Dynamometer— 



for steam plows, description, (30) 389. 

 traction, description and tests, (33) 890. 

 Dynamos and motors, treatise, (29) 892. 

 Dyomyx, notes, (34) 855. 

 Dyscedestis farinatella, notes, (34) 855. 

 Dyscinelus— 



bidentatus, notes, (38) 459. 

 spp., notes, (36) 753. 

 Dysdercus— 



albidiventris, notes, (37) 847. 

 andreae, notes, (30) 356; (39) 862. 

 cingulatus, injurious to kapok, (26) 354. 

 delauneyi — 



investigations, (36) 654. 

 life history and remedies, (38) 461. 

 notes, (39) 559, 638; (40) 165. 

 howardi, studies, (2ft) 454. 

 nigrofasciatus, notes, (28) 654. 

 ruflcoUis, notes, (27) 54. 

 ruflcollis. parasite of, (29) 358. 

 scassellatii, notes, (40) 854. 

 spp. on cotton, (27) 454; (39) 754, 862. 

 suturellus, see Cotton stainer. 

 Dysentery— 



amebic, in horses, (27) 477. 



amebic, transmission by flies, (38) 563. 



amoebae, notes and bibliography, (26) 246. 



chronic bacterial, see Johne's disease. 



epidemic, relation to flies, (36) 156. 



in bees, notes, (26) 561. 



calves, studies, (26) 483, 682. 

 farm animals, treatment, (27) 181. 

 newborn calves, (40) 887. 

 red, of cattle, (40) 290. 

 spontaneous amebic, in monkeys, (36) 576. 

 toxins and antitoxins, notes, (26) 676. 

 transmission by house flies, (26) 61. 

 Djrtiscus — 



destructive to mosquito larvae. (38) 766. 

 marginalis, digestive ferments of, (26) 657. 

 Djrtopasta yumaella, notes, (28) 451. 

 Eagles of France, treatise, (26) 452. 

 Eantis thraso. notes, (39) 59. 

 Ear diseases, (27) 576. 

 Ear tick— «ee Ornithodoros megnini. 

 spinose — 



in South Africa, (39) 81. 

 life history and habits, (37) 856. 

 notes, (37) 255; (40) 656. 

 remedies, (40) 682. 

 Earflies, notes, (29) 454. 

 E arias— 



chlorana, notes, (29) 853. 



fabia, injurious to kapok, (26) 354. 



insulana — 



control, (40) 256. 



notes, (27) 862; (28) 654; (32) 847. 

 relation to pink boUworm, (40) 857. 

 seasonal variation in, (32) 152. 

 studies. (37) 55. 

 spp. and Rhogas parasite in India, (38) 54. 

 Earth- 

 internal structure, (34) 614. 

 pressure, treatise, (35) 786. 



Earthrjuake— 



in Alabama, (36) 719. 

 in Missouri, (.37) 513. 

 in North Carolina, (36) 19. 

 observations in a telescope, (35) 419. 

 of July 1. 1911, (20) 27. 



southern Appalachian, of February 21, 1916, (35) 

 419. 

 Earthquakes in — 



California in 1915, (35) 116. 

 California in 1916, (38) 115. 

 1916, (36) 719. 

 Philippines, (31) 615. 

 United States, (34) 615. 

 Earth's electric charge, (35) 115. 

 Earths, rare — 



and their acids, treatise, (30) 205. 

 in soils, (31) 720. 

 Earthwork haul and overhaul, treatise, (30) 487. 

 Earthworms — 



aeration of soils by, (26) 619. 

 effect on soil fertility. (27) 518. 

 in forest soUs, (26) 223. 

 in Indiana, (36) 251. 

 of North America, (40) 267. 

 parasites of, (36) 359. 

 relation to agriculture, (30) 425. 

 relation to Dictyocaulus filaria, (28) 182. 

 remedies, (32) 246. 



transmitting nematodes to fowls, (38) 83. 

 treatise, (28) 451. 

 Earwig — see Forflcula auricularia. 



European, life history and remedies, (38) 56. 

 European, notes, (39) 464. 

 East coast fever, see African coast fever. 

 East Park bird reservation, California, (37) 355. 

 Eccoptogaster, see Scolytus. 

 Ecdytolophainsiticiana, notes, (35) 356. 

 Echelon clouds, paper on (27) 316. 

 Echidnophaga gallinacea, see Hen flea. 

 Echinacea augustifolia, nature and use, (26) 580. 

 Echinocactus— 



desiccation and respiration , (40) 29, 223. 

 rate and course of growth, (40) 30. 

 wislizeni— 



accumulation and destruction of acid in, 



(34) 730. 

 root habits, (26) 728. 

 Echinochasmus perfoliatus in pigs, (34) 480. 

 Echinochloa crus-galli — 

 analyses, (34) 39. 

 as duck food, (30) 545. 

 Echinococcosis, alveolar and hydatid, (32) 271. 

 Echinococcus — 



disease, diagnosis, (27) 883; (30) 781. 

 veterinorum in sheep, (39) 283 

 Echinocystis oregana, seeds of, (38) 410. 

 Echinodontium tinctorium — 

 control, (40) 842. 

 new hosts for, (33) 551. 

 notes, (27) 653. 

 on hemlock, (40) 159. 

 sporophores of, (33) 552. 

 Echinomyia fera, parasitic on gipsy moth, (31) 652. 

 Kchinorhynchus — 



canis, notes (39) 892. 

 gigas, description, (34) 280. 

 Echinostoma piriforma n.sp. notes, (30) 785. 

 Echthrogonatopus hawaiiensis n.sp., description, 



(28) 63. 

 Eciton — 



(Acamatus) schmitti destructive to Argentine 



ant, (31) 256. 

 burcheUi, notes, (40) 358. 

 Eclampsia — 



and milk fever, similarities, (27) 185. 

 puerperal, see Milk fever, 

 relation to anaphylaxis, (26) 375. 

 serology of, (31) 180. 

 Ecology- 

 bibliography, (29) 626. 

 of Michigan dunes, (40) 226. 

 of vegetation of Breckland, (40) 424. 

 relation to agriculture, (30) 98. 

 studies, (27) 636; (31) 537; (40) 129. 

 Economic — 



associations of rural Poland, treatise, (31) 690. 



conditions in Serbia, (40) 791. 



cycles, treatise, (35) 496. 



survey in southern Minnesota, (29) 489. 



