INDEX. 



15 



„, . ■, , ■ BuUetia 



Shingles, production — No. Page. 



1915, and mills reporting, by States 506 37-41 



in 1915 506 35-36 



in 1915 (and production of lath in 1915, and lumber in 1914 and 



1915), bulletin by J. C. Nellis 506 1-45 



Ship building, use of ash lumber 523 33, 48, 50 



Snakeroot, nature and food use, note 503 17 



Soil- 

 acidity, school studies 521 20-21 



preparation, for cotton-growing, practices, studies 511 < 61-62 



samples, collection for school studies 521 11-12 



shale land, salt content 502 10 



types, comparisons, school studies 521 12-13 



Soils- 

 formation, school studies ' 521 7-8 



studies in school 521 7-21 



texts and references for school studies 521 36 



water-holding capacity, school studies 521 8-10 



Sorghums, types and varieties, school studies 521 25-26 



South Carolina- 

 corn yields and prices, 1866-1915 515 7 



wheat, yields and prices, 1866-1915 514 7 



South Dakota — ■ 



corn yields and prices, 1882-1915 515 10 



wheat, yields and prices, 1881-1915 514 10 



Spraying, apple- 

 orchards, details and costs 518 34-39 



trees, practices and costs in Hood River Valley 518 34-39 



Spruce lumber, production, 1899-1914, and estimates, 1915 506 13-15, 20 



Stacking, lumber, relations to decay 510 22-27 



Statistics — 



corn, yields per acre and prices, by States, 1866-1915 515 1-16 



wheat yields per acre and prices, by States 50 years, 1866-1915. 514 1-16 



Steam, superheated, use in drying lumber 509 8-9 



^iereitm, spp., lumber-rotting fungi, descriptions and occurrence. . . 510 34 



Sterrett, W. D., bulletin on "Utilization of ash." 523 1-52 



Storage, timber, conditions in Eastern and Southern States with 



reference to decay problems, bulletin by C. J. Humphrey 510 1-43 



Subsoiling, cotton -growing practices, studies 511 4-5 



"Swamp oak, " use of term 508 1 



Sweet — 



cicely, nature and food use 503 15 



potatoes, school studies 521 26-27 



Sweets, use of roots, practices 503 16-17 



Sycamore lumber, production, 1899-1914, and estimates, 1915 506 13-15, 32 



r 2—3 12 



Tag, cotton warehouses, description and use, and record 520< -.1 94 



Tar, yield h-orn certain hardwoods 508 7-8 



Telegi-aph companies, purchase of poles, 1915 519 2 



Telephone companies, pm'chase of poles, 1915 519 2 



Tennessee — 



corn yields and prices, 1866-1915 515 11 



Giles County, survey and tillage records for cotton 511 36-38 



wheat, yields and prices, 1866-1915 514 11 



Terrace — 



drags, description and use 512 36-37 



system, laying-off methods 512 32-35, 40 



Terraces — ■ 



bench type, description 512 7-10, 39 



construction methods 512 35-37, 40 



graded-ridge, description 512 21-30, 39 



level-ridge, description 512 10-21, 39 



maintenances and cultivation 512 37-38, 40 



r 30-32 



types, comparison 512-^ 3Q-46 



