INDEX OF SUBJECTS. 



993 



Page. 



Spirea, culture in Alaska, Alaska 743 



Spirochxta gallinarum, cultivation 588 



suis, studies 682 



theilera, relation to anaplasmosis. . 584 



Splrochetse, photomicrograplis of 478 



Spirochetes, notes 563 



Spirochetosis in fowls, immunization 588 



treatment 484 



r6sum6 883 



Spizclla spp., destruction of grain aphids by, 



U.S.D.A 542 



Splices, methods of making 390 



Spodoptera mauritia, notes 456 



Spogostylum anale, life history 456 



S pondylocladium — 



atTOvirens, studies and bibliography, 



U.S.D.A 347 



maculans n. sp., relation to rubber spot- 

 ting 451 



Spongospora solan i, occurrence in Maine 550 



subterranea, notes 448 



SpoTobolus depauperatus, analyses. Can 270 



Spotted fever tick, biology 359 



notes, Mont 652 



Spraying apparatus, notes. Ark 640 



calendar. Wash 42 



experiments 354 



Ark 640 



Fla 262 



Me 145 



machinery, accessories, Ohio 87 



notes...: 353,593 



tests 292 



mixtures, adherent, notes 554 



effect on germination of 



grape pollen 839 



notes 436 



Ky 640 



Mich 146 



nozzles, tests. Ark 640 



Springs and ground water, text-book 15 



relation to public health 512 



Spruce aphis, outbreak in England and Ire- 

 land 757 



as aflected by origin of seed 841 



bud worm, notes, Can 252 



studies, Me . - 255 



effect of early thinnings on stands ... 240 

 grinding for mechanical pulp, 



U.S.D.A 614 



leaf miners, notes, Me 25G 



management in Saxony 342 



Norway, fissures in 240 



volume and value accretion in 747 



wood, ethereal oils of 504 



Sputum, tuberculous, chemical properties ... 782 



Squash capsid, notes, Ariz 453 



Hubbard, breedingandmarketing... 830 



Squirrels, ground, control, Mont 651 



Stable fly, notes 159,256,457,760 



Md 353 



U.S.D.A 454, 559 



parasite of 359 



relation to diseases 760 



infantile paralysis. 358,559,560 



Page. 



Stable fly,r elation to pellagra 756 



surra 760 



studies 559 



manure. (See Barnyard manure.) 



Stains, use in study of bacteria, Va 630 



Stalk borer, notes 252 



Stallions, breeding 370 



care and management, Kans 873 



certification in Victoria 471 



in Kansas, Kans 873 



Staphylococcus pyogenes aureus, lipase of 177 



Starch, determination 716 



in meat and fish prod- 

 ucts 798 



effect on geotropism in roots 322 



factory wastes, fertilizing value 129 



grains, studies 409 



industry in Germany 209 



products, composition and use, 



U.S.D.A 460 



variation in leaves 827 



Steam pipe systems, installation in dairies. . . 893 



plowing in Bombay Presidency 592 



Stearic acid, detection in ethyl alcohol 312 



Steel, welding 593 



Steers, breeding, effect on gains, Tenn 667 



cotton-seed meal for, N.C 77 



digestion experiments, Md 366 



feeding experiments 169, 367, 368, 870 



Can 271,272 



Fla 272 



Mo 667 



Nebr 771 



Tenn 666,667 



fish meal for 270 



sheltering experiments. Can 271 



Stegomyiafasciata, studies, Hawaii 252 



Stenomacra sp. , parasites of 358 



Stephanurus dentatus, localization and devel- 

 opment in hogs 783 



Stereum purpureum, notes 46, 847 



Sterictipfiora lineata, notes 252 



Sterigmatocystis nigra, utilization of glucinium 



by 28 



sy dowi n. sp., notes 345 



Sterility and contagious abortion in cows, Cal. 81 



Mich. SO 



Sterilization, effect on plant food in soils 122 



Stigmas, effect on germination of pollen 437 



Stijfziekte, paper on 476 



Stilbella flavida, notes, P.R 650 



Stillingia tallow, detection 613 



Stizolobium beans, culture in P. R 631 



Stock. (See Live stock.) 



foods. (See Feeding stuffs, condimen- 

 tal and proprietary.) 



Stocks, hybridization experiments 433 



Stomoxys calcitrans. (See Stable fly.) 



Storage, effect on potatoes, Md 230 



seed cotton, U.S.D.A 140 



Storm at Dubuque, Iowa, U.S.D.A 812 



Storms as aflected by forests 842 



in Florida, U.S.D.A 721 



Ohio, U.S.D.A 812 



Virginia, U.S.D.A 812 



