188 
“Service Tests of Ties,’’ by Howard F. Weiss, pp. 1-25, 
Forest Service Circular 209, U.S. Dept. of Agric. Particulars 
are given of sleepers of various kinds of woods impregnated with 
different preservatives. 
“Report of the Use of Metal Railroad Ties and on Pre- 
servative Processes and Metal Tie Plates for Wooden Ties,”’ by 
E. Russell Tratman, A.M., Am. Soc., C.E., TF: 1-363, 
Bulletin 9, Division of Forestry, U.S. Dept. of Agr A great 
deal of information Ts wood preservatives cal methods 
of pastment are given in this work 
“The Manual of Borcaey, by 8 ir W.’ Schlich, and ‘‘ The 
Forester,’’ by James Brown and John Nisbet, both published in 
this country, also devote space to the principal Eaieeds of 
preserving timber. 
** Creosoting of Sleepers,’ Indian Forester, July, 1914. A 
Report on creosoting Spruce, Silver Fir, Chil Pine, and Blue 
Pine, by Millars’ Timber and Trading Company, Lt d. 
“Note on the Antiseptic peta of Timber with — 
reference to Railwa lee y R. S. Pearson, Imperia 
orest Service, Indian Sorat iecnas, vol. ii. pt. 11. 1912, pp. 
Sr This comprehensive work deals _ : e numerous 
were doin e.”’ Details of experiments, with the results, 
conducted with various kinds of timber exposed to the se of 
white ants are given he article is of valu 
interested in wood preservatives and particularly to those end 
in the Tropics 
** Note on Ligno Protector as a possible means of Preventing 
Timber from Splitting while Seasoning,’ by S. Pearson, 
sa Bulletin 13, 1913, pp. 1-12, Imperial Forest Service, 
ia. The results of the experiments do not appear to have 
‘nes conclusive 
= Preservative a of Timber for Estate Purposes,” 
by - #. Annand, M.Se., Quarterly Journal of Forestry, vol. 
vui., July, 1914, pp. 169. 186. This aper deals with numerous 
expends with saponified oun and naphthalene by the 
open-tank method of impregnatio 
“The Rueping Method of gestae, by W. P. Greenfield, 
Quarterly Journal of Forestry, vol. x., January, 191 6, 29-36. 
An article giving a good se aoe of one-of the special methods 
of impregnating timber with creosote. 
“Increasing the Durabili ot “of ” by William 
Somerville, M.A., D.Se., Journal of de "Boos of Agriculture, 
