1917] 



INDEX OF SUBJECTS. 



983 



Sweet potato— Page. 



diseases, treatment, Va. Truck 249 



root borer, notes 256 



root disease and white rust.; 452 



scarabee, notes 256 



silage for cows, Fla 683 



Sweet potatoes- 

 culture and storage, U.S.D.A :^97 



fertilizer experiments, Fla 635 



fertilizer experiments, Tex ?23 



Swine fever, notes 279 



Swine. (See Pigs.) 



Symbiosis in autumnal leaves ^27 



Symptomatic anthrax. {See Blackleg.) 



Synavthedon pktipcs. studies, Ohio 159 



Synchytrium endobiolicum, host plants 753 



Synfomaspis myrtaccarum n.sp., description.. 59 



Syrphidse of District of Columbia 57 



Systena basalts, notes 256 



Tachinida? of New England 763 



Txnia— 



expansa, infestal ion of lambs, Wyo 374 



marginata in liver of swine 477 



pisiformis, development in kittens 693 



Tsenioid cestodes of the dog, cat, and related 



carnivores 82 



TseniotliTipspyri, studies 257 



Takosis in goats 477 



Taliparamba Agricultural Station, report 343 



Tankage- 

 analyses, Conn.State 268 



analyses, R.I 767 



analyses, Wis 471 



fertilizing value, Md 540 



Tapeworm in Kver of swine 477 



Tar fumes, effect on vegetation 327 



Tarnished plant bug, notes. Conn State 255 



Tarsonemus — 



pallidus, studies, Md ^56 



pallidus, studies, U.S.D.A ?5S 



sp. on cyclamen 766 



Tartaric acid of grape musts and wines 310 



Tartrate, action on isolated intest ine 471 



" Tarwad " bark as a tanning agent 147 



Taurin, use against tuberculosis 275 



Tea- 

 aphis, notes 662 



diseases in northeast India 252 



fermentation, investigations 44 



improvement by selection 43 



ingestion, effect on uric acid excretion ... 470 



roots and their diseases 52 



feed, germination and selection S35 



seed, oi. of 109 



withering, ermentation, and drying tl9 



Teal, Laysan, new generic name ;or '68 



TeS grass, notes, Gr. 29 



Telenomus colorademis, parasitic on tent 



caterpillar ^''7 



Temperature- 

 atmospheric, annual variations 417 



changes, world-wide 15 



determinations in entomology ^55 



effect on complement fixation rate 688 



efiect on growth o. small grains 533 



low, effect on germination of beet seeds . . ?29 



relation to chestnut blight............... f67 



Tennessee— Page. 



Station, notes 198,499,600,797 



University, notes 198, 300, 600 



Teosinte — 



culture 136 



culture experiments, La 529 



Termites injuring shotgun cartridge'', Conn. 



State 255 



Terraces, construction, U.S.D.A 87 



Testis extract, effect on milk production 173 



Tetanus, treatment 79 



Tethelin, use against tuberculosis 880 



Tetranychus modestus, notes 847 



Tetraphosphate, description 722 



Tctrastichus — 



giffardianus, parasitic on fruit fly 856 



malacosomx, parasitic on tent caterpillar . 667 



ovipransus n.sp., description 856 



Texas- 

 College, notes 99,898 



Station, notes 99,600,898 



Theileriosis in Russian Turkestan 374 



Theobromin, determination in cocoa and 



chocolate 312 



Thermobia domesiica, notes, Conn.State 255 



Thidavia basicola — 



investigations 155 



notes. Wis ^^8 



Thklaviopsis paradom — 



notes 452 



notes, Fla 652 



Thiobarbituric acid as a qualitative reagent 



for ketohexose 206 



Thomas s.ag. (See Phosphatic slag.) 



Three-days' lever, notes 460 



Thripsn.ST?., description 258 



Thyridaria tarda on tea roots 52 



Thyroid gland — 



active constituent of 65 



extract, effect on milk production 173 



Thysanoptera — 



British, notes 257 



of Plummer's Island, Maryland 561 



Tliysanosovm aclinioides, infestation of lambs 



by, Wyo - i74 



Tibicen septendecim. (See Cicada, periodical). 

 Ticks- 

 eradication 477 



eradication, laws and regulations, Ark. . . 881 



in British Museum 560 



infesting domestic animals in Russian 



Turkestan 360 



infesting marmots 879 



protozoan parasites transmitted by 481 



spotted fever, control in Montana 560 



transmission of louping-illby 277 



wood, notes 4-59 



(See also Cattle tick and Sheep tick.) 

 Tile- 

 drain and sewer, beddings for 187 



drain, specifications 587 



drainage system, Mann 286 



TiUctia— 



fcetens, inoculation experiments, Mo '50 



horrida, notes 247 



tritici, treatment ^47 



limber — 



cut, regulating, Swiss method 451 



decay, prevention, U.S.D.A............. 349 



