Editorial Notes. 8 1 7 



They are requested to answer, by filling a blank form supplied for the 

 purpose, from their own experience and observations, a series of 

 questions on the indigenous trees commonly planted in their locality 

 for ornamental or other purposes ; the trees not native of the region 

 which are found suitable to the «oil and chmate, and also those found 

 not to be suitable, with the causes of success or failure ; the diseases 

 or injuries from insects, noticed in native or cultivated trees and 

 shrubs, with the relative extent of such injuries, and any remedies 

 found successful against them ; the method of sowing, planting, and 

 management found best adapted to the cultivation of particular kinds 

 of trees; if forest trees have been sown or planted in the district, with 

 what kinds of trees ? and the area planted ? Any facts observed in 

 the neighbourhood indicating a change of climate by the clearing or 

 planting of forests, and other meteorological incidents relating to rain- 

 fall, and the changes of the seasons; any facts noticed of particular 

 kinds of trees in the native woods showing a tendency to die out, and 

 the appearance of other kinds in their ^Jlace, or where trees have not 

 previously been growing ; what are the chief kinds of timber-producing 

 trees, the modes of transportation employed, and where the principal 

 market is found ; and finally, what manufactories are in the district 

 using wood or bark as their principal material ? 



Forestry Circular, No. 2, contains a similar series of questions, 

 addressed to Tanners and Manufacturers of Tanning Extract, with the 

 view of obtaining facts of practical value concerning the supply and 

 consumption of tanning materials ; such as the quantities and 

 diflerent kinds of bark used, and their relative values as tanning 

 materials ; the prices of bark in former years ; the average yield of 

 bark per tree, and the usual yield per acre; if the timber of trees cut 

 for bark is used, or left to decay on the ground ; the average yield of 

 tanning extract from a cord of bark ; and various other items of 

 information likely to be supplied from this source. 



Forestry Circular, No. 3, requests information from the Super- 

 intendents of Railways, and those engaged in constructing Railways or 

 supplying them with timber for construction, maintepance, or fuel, so as 

 to lead to measures for economizing the use, and increasing the supplies 

 of this essential material. Particulars to be given of the number of 

 engines burning wood, the kind of wood commonly used, the average 

 price per cord, the miles run with one cord of wood; the number of 

 ties per miles, their dimensions and cost, delivered ; the kind of timber 

 they are made of, and its durability ; the season of the year when ties 

 are cut, and if it is observed to affect their durability, with the process 

 used for preserving them against decay. 



Forestry Circular, No. 4, is designed for the collection of statistics 

 respecting Charcoal, and is addressed to the owners or managers of 



