34 



DEPARTMENT OF AGBICULTURE, BULS. 151-175. 



Bulletin. 



Tractors — Continued. 



repairs, annual, percentage of cost , 



use by farmers, effect on financial standing, opin- 

 ions of bankers 



Trade wastes, nitrogenous, chemical principles in utili- 

 zation 



Trametes pini, damage to lodgepole pine 



Transplanting, forest seedlings, methods, time, cost, etc. . 

 Tree planting, forest plantations, mistakes, instances. . : 

 Tremella, genus, characters, description of species, etc . . . 

 Tremellaceae, characters, key, and descriptions of 



species 



Tremtllodon, genus, characters, description of species, etc. 

 Tricholoma, genus, characters and descriptions of species 



Truck crops, growing on sassafras soils of various types 



Tsuga— 



canadensis. See Hemlock, eastern. 



caroliniaiia, habitat, note 



'"Tuiskuwa, " Indian name for large-eyed elater 



Tyrosine, isolation from processed fertilizer, method 



Urnula. genus, characters and description of species. 

 Utah, Xephi, tillage and rotation experiments 



Vanillin — 



effect on wheat, experiments 



occurrence in vegetation 



presence in soil, persistence, effect on plants six 



months after application, investigations 



toxic — 



effects on vegetation and leguminous crops. 



soil constituent, field test 



Valhallah grape, origin, adaptability to San Antonio 



region 



Vegetables, growing on sassafras soils of various types. . . 



See also under specific products. 



Veneer, hemlock, consumption, value, etc 



Vermont, wireworm pest, note 



Virginia, wireworm pest, note 



Vitis candicans, stock for grapes, San Antonio region 



Volvaria, genus, characters and description of species. . . . 



Wallowa National Forest, damage to lodgepole pine by 



mountain pine beetle 



Walnut- 

 black— 



forest plantation, yield, and profit on different 



soils 



growth habits, underplanting. etc 



planting, soil requirements, etc 



stock for Persian walnut, San Antonio region — 

 Persian, growing in San Antonio region, experi- 

 mental work ■ 



Walnuts, growing in San Antonio region, experimental 



work 



Washington, wireworm depredations, notes ■ 



Waste- 

 farm lands, value for Scotch pine forest 



lands, utilization for forest planting • 



174 



174 



158 

 154 

 153 

 153 

 175 



175 



175 

 175 



159 



152 

 156 

 158 



175 



157 



164 

 164 



164 



164 

 164 



162 



152 

 156 

 156 

 162 

 175 



154 



36 



7-8 



22-23 



22 



7-12 



21-22 

 45 



44-46 



46 



1617 



r 20, 22, 26, 27, 



31, 36, 45, 46, 



l47 



1 



1 

 11 



54, 55 

 1-45 



3-4 

 1 



7-9 



2-3, 4-7 

 1-9 



14 



f20. 22, 26, 27, 



159 j{31, 36, 45, 46, 



47,48 



14-15 

 17 

 17 

 14 

 27 



20 



153 

 153 

 153 

 162 



31 

 30-31 

 30-31 

 22-23 



162 



22-23 



162 

 156 



20 

 10, 12, 13, 17 



153 

 153 



27-28 



4,5 



