144 
Preserving process of Dr. Boucherie, success of, 
33, 69. 
Timber by Burnettizing — value of timber so 
treated, 33. 
Antiseptics used for, 76, 78, 83, 99. 
By creosoting, cost of, 88, 9 1 -1 
By Kyanizing, cost of, 89, 91. 
By painting with Carbolineum, 104. 
Cost of, by different methods, 88. 
Methods of, 68, 72, 74, 75, 103. 
With Chloride of Zinc, cost of, 89, 90, 91. 
With Sulphate Copper, cost of, 90, 91. 
With wood-creosote oil, method of, 102, 103. 
With zinc-tannin process, cost of, 90, 91. 
Price : 
Effect of agencies employed in supplying ties 
to market on, 19. 
Increase of, in necessitating preserving pro- 
cesses, 21. 
Of Beech ties creosoted and untreated in 
France, 78. 
Of Chestnut ties, 43. 
Of Oak ties creosoted and untreated in France, 
78. 
Of Spruce ties creosoted and untreated in 
France, 78. 
Of White Cedar, 43. 
Paid by Railroad companies for Redwood ties 
16. 
Process: 
Boucherie, antiseptic used in, 83. 
Boucherie, life of fir ties treated by, 84. 
Thilmany, of treating timber to prevent -wash- 
ing-out of antiseptics, 85. 
Vacuum (Burnettizing), 75. 
Wellhouse, of treating timber to prevent 
■washing-out of antiseptics, 86. 
Zinc-creosote, of treating timber to prevent 
washing-out of antiseptics, 87. 
Zinc-gypsum, of treating timber to prevent 
washing-out of antiseptics, 87. 
Processes, wood-preserving, 68, 72, 74, 75, 103. 
Faults of those formerly used, 32. 
Conditions necessary to success of. 95. 
Cost of different, 88. 
Railroad : 
Atchison, Topeka and Santa Fe, preserving 
works of, 22 (26). 
Baltimore and Ohio, establishment of, how 
first operated, 11. 
Burlington and Missouri River, forest trees 
planted by, 26. 
Chicago and Northwestern, Spark-arresters, 
used on, 136. 
Chicago, Saint Paul and Minneapolis, experi- 
ence of, in tree planting, 29. 
Flushing, experience of, in use of Burnettized 
timber, 33. 
Fort Scott and Gulf, advancement of timber 
culture by, 23. 
Hannibal and Saint Joseph, Co., opinion of, 
as to effect of fire on tree planting along 
lines, 29. 
Illinois Central, experience of, in planting 
Larcbes, 26. 
Railroad— Continued. 
Louisville and Nashville, Co., experience of, 
as to injury by fire to adjacent growths, 30. 
Louisville and New Albany, Co., experience of, 
as to injury by fire to forests adjacent to 
lines, 29, 30. 
Michigan Central, Co., experience of, as to 
injury by fire to adjacent forests, 30. 
Missouri Pacific, Co., forest trees planted by, 
27. 
Northern Pacific, Co., experience of, in tree 
planting, 29. 
Old Colony, Spark-arresters used on, 135. 
Pennsylvania, Co. . position of, in regard to 
spending money in timber culture, 30. 
Wabash, Saint Louis and Pacific, position of, 
in regard to expending money in timber 
culture, 30. 
Railroads : 
Acres of timber annually cut over for main- 
tenance of. 18. 
Connection of, with forest fires (X. H. Egles- 
ton), 128. 
Cubic feet of timber annually consumed by, 
15. 
Demands of, on forest supplies : 14. 
Early establishment of, 12. 
Geographical Relation of. to Forest Area, 
14. 
Increase of mileage (183>>1886), 12, 13. 
Influence to be exerted in timber culture by, 
25. 
Land ceded to — total number of acres, 13. 
Land-grant — miles of road in each State to 
1886, 13. 
Miles of, in each State built by aid of Land- 
grants— total number of, 13. 
Number of, first aided by Land-grants, 13. 
Per cent, of forest fires caused by locomotives 
of, 128, 129. 
Position of Companies to grow timber for their 
own use, 31. 
Quality and kinds of timber used by, 16, 17. 
Relative position of, in respect to preserving 
processes, 21. 
Relative value of land adjacent to. for tree 
culture, 30. 
Round timber consumed by, 16, 17. 
Summary of correspondence with officers of, 
26. 
Timber preferred for use of, 38. 
Total amount of timber consumed by, 15, 17. 
Rails : 
Bending of, under traffic, 56. 
Influence of metal ties on, 120. 
Partial and permanent sets occurring in, 56. 
Railroad ties. (See also Ties and various woods 
used for.) 
Burnettized, number of Companies using, in 
Germany, 82. 
Burnettized, used on Chicago, Rock Island and 
Pacific road, 82. 
Durability of, when impregnated, 21. 
Impregnated, number of, used on German 
roads. 97. 
