528 



EXPERIMENT STATION EECOED 



Skunk farming, notes, (34) 269, 873. 

 Skunks- 

 breeding for fur, (29) 672. 

 economic value, (31) 370. 

 food habits, (33) 152. 

 Sky, blue color of, (35) 618. 

 Sky light, polarization, (30) 317; (38) 812. 

 Sky polarization, changes in neutral points, (27) 316. 

 Slag — see also Phosphatic slag, 

 analyses, (28) 326. 



concrete, blast-furnace, tests, (39) 87. 

 methods of analysis, (29) 795. 

 solubility in weak organic acids, (40) 709. 

 use in manufacture of fertilizers, (29) 25. 

 Slaughter- 

 establishments in Netherlands, (28) 669. 

 tests, significance in animal breeding, (28) 271. 

 Slaughterhouse oflal, feeding value, (34) 866. 

 Slaughterhouses — 



butchers' goods manufacturies for, (32) 457. 

 construction, (34) 767. 

 handbook, (31) 166. 

 humane methods in, (39) 583. 

 in Great Britain, France, Germany, and Neth- 

 erlands, (30) 276. 

 inspection, (31) 359, 658; (32) 162, 567. 

 inspection in — 



German Empire, (31) 760. 

 Massachusetts, (33) 260. 

 Montana, (33) 67. 

 New Jersey, (32) 357. 

 Pennsylvania, (27) 475. 

 Utah, (33) 165. 



Virginia, (29) 766; (32) 661; (36) 63. 

 municipal- 

 advantages of, (30) 60. 

 bibliography, (36) 762. 

 construction and operation, (37) 91. 

 descriptions, (27) 167. 

 plans and speciflcations, (27) 167. 

 Slaughtering industry in United States, (31) 64. 

 Slav farmers in Connecticut, (31) 93. 

 Slavs on southern farms, (32) 489. 

 Sleeping sickness, transmission by blood-sucking 



insects, (26) 150. 

 Sleet- 

 American definition, (35) 618. 

 forecasting, (35) 808. 

 storm in northern New York, (29) 510. 

 Slime, formation in soils, (29) 723. 

 Slime mold, effect on erucifers, (33) 648. 

 Slingerland, M. V., writings of, (32) 56. 

 Slop, dried, analyses, (26) 165; (29) 311. 

 Sludge — see also Sewage, 

 activated- 

 analyses and fertilizing value, (34) 520. 

 experiments, (40) 3S6. 

 fertilizing value, (38) 120. 

 analyses, (35) 128. 

 fertilizing value, (28) 734. 

 fresh and decomposed, comparison, (29) 625. 

 from paper mills, utilization, (33) 520. 

 ImhoS-tank, fertilizing value, (40) 323. 

 utilization, (29) 625; (33) 24. 

 Slugs- 

 feeding habits, (34) 4.58. 

 Injurious to field and garden crops, (26) 658. 

 remedies, (32) 246. 

 Sluice gates, power required in operating, (36) 682. 

 Small holdings— «ee also Land settlements and 

 Land tenancy, 

 system in British Isles, (40) 889. 

 Smallpox — 



complement fixation in, (34) 877; (40) 584. 

 in pigs, (34) 275. 

 vaccines for, (26) 676. 

 Smartweed, analyses, (32) 169. 

 Smegma bacillus, metabolism of, (33) 771, 

 Smelter — 



fumes, effect on plants, (28) 623; (31) 322; (34) 



526; (35) 28, 213, 244. 

 gases, effect on insects, (38) 458. 

 gases, effect on pines, (27) 154. 

 smoke injury in southeastern Tennessee, (31) 



146. 

 wastes, effect on barley, (37) 526. 

 wastes, fertilizing value, (32) 199. 

 Smicra bergi, notes, (27) 559. 



Smilax— 



root borer, notes, (28) 854. 

 rotund ifolia, fruit of, (36) 502. 

 Smlnthuridae, economic importance, (30) 763* 

 Smith, J. B.— 



biographical sketch, (26) 403. 

 writings of, (29) 353. 

 Smithing and forging, handbook, (36) 287. 

 Smoke- 

 abatement in Great Britain, (35) 620. 

 acids in rain water, (32) 422. 

 and daylight intensities, (37) 807. 

 as source of atmospheric pollution, (34) 715« 

 cloud and high haze of 1916, (37) 115. 

 damage caused by, (28) 811. 

 effect on — 



fruits, (27) 831. 



plant growth, (29) 422; (33) 126, 127, 428, 629; 



(39) 630. 

 pines, (31) 730. 



rest period in plants, (35) 436. 

 soil acidity, (31) 521. 

 soils and vegetation, (27) 229. 

 vegetation, (26) 38; (30) 32, 131, 432; (31) 34, 

 626, 826; (35) 620; (38) 28. 

 from lead works, effect on horses, (34) 278i 

 from Mt. Hood, (34) 414. 

 handbook, (27) 212. 

 injury- 



in forests, studies, (35) 436. 



in Selby smelter zone, (37) 634. 



investigations, defects in, (35) 133. 



to agriculture and forestry in Austria, (37) 



528 

 to plants, (32) 524, 729; (34) 744. 

 leaf injury or loss due to, (35) 243. 

 pollution, plants as an index, (34) 299; (37) 130. 

 problem, meteorological aspect, (31) 213; (32) 



117. 

 relation to grape mildew, (28) 152. 

 toxicity toward plants, (29) 131, 629. 

 Smokehouse- 

 description, (38) 476. 

 for fish, construction, (37) 716. 

 Smokehouses- 

 construction, (28) 466. 

 for prairie farms, (35) 690. 

 Smudging, cost of, (29) 339. 



Smut— Me also Cereal and Grain smut and specific 

 hosts. 

 blossom infection and distribution, (28) 149. 

 cereal, spore germinations of, (31) 642. 

 dissemination by threshing machines, (31) 148. 

 fungi — 



notes, (26) 746. 

 of Switzerland, (26) 645j 

 parasitism, (31) 540. 

 spore formation in, (28) 745i 

 treatise, (27) 746. 

 of grain and forage crops, (36) 348. 

 spores, determination in flour, bran, and 



cereals, (36) 146. 

 spores, determination in wheat bran, (27) 310. 

 treatment, (27)132, 149; (30) 136, 241, 697; (36) 46. 

 Smuts— 



from New Mexico, (39) 147. 



of cultivated plants, cause and treatment, (30) 



47. 

 of Great Britain, treatise, (30) 745. 

 Smynthurus— 



arvalis, notes, (28) 158. 

 sp. injurious to truck crops, (32) 353. 

 Snails — 



as blister rust carriers, (39) 248. 



edible, (33) 274. 



fresh and canned, production and marketing, 



(31) 656. 

 trematodes affecting, (33) 863. 

 Snake River basin- 

 hydrography, (32) 279. 

 profile survey, (36) 583. 

 Snake vemons, notes, (26) 676. 

 Snakeroot— 



toxicity, (38) 685, 883. 



white, as cause of trembles, (37) 583; (39) 489. 

 white, toxicity, (37) 195; (40) 681. 

 Snakes- 

 destruction of field mice by, (34) 751. 

 experiments with, (29) 476. 

 wounds and diseases, (40) 55. 



