12 



DEPAETATEXT OF AGRICULTURE BULS. 551-575. 



Bulletin 



No. Page. 



Tennessee, cement factories, potash content in materials and loss in 



manufacture 572 6 



Testing road material, standard methods 555 30-37 



Tests, road materials, report forms 555 38-44 



Texas- 

 cement factories, potash content of materials and loss in manu- 

 facture 572 6 



loco. See Loco. 

 Thojias, L. M., Bulletin on. "A comparison of several classes of 

 American wheats and a consideration of some factors influencing 



quality " 557 1-28 



Timber — 



( 7, 10, 



drv tests for mechanical properties, data 556^ 11-12. 



I 20,37-45 

 7,10, 



green, tests for mechanical properties, data 556< 11. 21, 



1 27-35,45 

 mechanical properties of woods grown in United States, bulle- 

 tin by J. A. Xewlin and Thomas R. C. Wilson 556 1-47 



testing for mechanical properties, various trees 556 1-47 



Timbers, seasoning in air 552 12-17 



Tobacco — 



flue-cured, value of annual production 562 2 



rotations for control of wilt disease 562 10-17, 19 



varieties suceptible to wilt disease 562 5-6 



wilt- 

 control in flue-cured district, bulletin bv W. W. Garner, 



F. A. Wolf, and E. G. Moss 562 1-20 



occurrence, history and economic importance 562 1-2 



relation of soil properties, experiments 562 7-10 



symptoms, cause and distribution 562 4-5 



Tomato, pulp making from trimmings or small tomatoes 569 21-23 



Tomatoes- 

 canning factories, sanitary control, bulletin by Burton J. 



Howard and Charles H. Stephenson 569 1-29 



washing and sorting at canning factories 569 8-20 



Trapping, earwig, directions and results 566 10-11, 12 



Trees, native woods, testing for mechanical properties 556 1-47 



Turpentine — 



vield, increase bv double chippina;. (and increase of rosin), 



bulletin by A. W. Schorger and "R. L. Pettigrew 567 1-9 



yields from different methods of chipping 567 6-7 



Turpentining, double chipping method, cost and advantages 567 8-9 



Utah, cement factories, potash content of materials and loss in 



nianuf acture 572 6 



Virginia, cement factories, potash content of materials and loss in 



nianuf acture 572 6 



Wagner, C. R., William H. Ross., and Albert R. Merz. bulletin 

 on ''The recovery of potash as a by-product in the cement 

 industry " 572 1-23 



Walnut, black, tests for mechanical properites, results ^ . . . 556 33, 42 



Warping, wood, causes ^ 552 12 



Washington, cement factories, potash content of materials and loss 

 in manufacture 572 7 



Weaning lambs, time and method 573 14 



Weevil, boll. See Boll weevil. 



West Virginia, cement factories, potash content of materials and loss 

 in manufacture 572 7 



Wheat- 

 classes, five American, comparative studies .-* 557 5-28 



protein content 557 25 



dualitv. factors influencing 557 2-5 



