816 JOURNAL OF FORESTRY 



The efficiency of sawdust is greater on viscous than on thin liquids, 

 as it floats more readily on the former than on the latter. The sawdust 

 itself is not easily ignited, and when ignited it burns without a flame, 

 and the burning embers have not sufficiently high temperature to re- 

 ignite the liquid. Mixing sodium bicarbonate with the sawdust in- 

 creases its efficiency materially. 



In April another 15,000 square miles of Quebec forest was brought 

 under systematic protection against fire by the organization of the 

 Laurentian Forest Protective Association, so that now altogether 75.000 

 square miles of the best and most accessible forest areas of the province 

 are covered by the four co-operative associations — the Ottawa River, 

 the St. Maurice, the Laurentian, and the Southern St. Lawrence. 



The province contributes to the cost of patroling and fire fighting, 

 but leaves the detail of appointing rangers and details of management 

 in the hands of the associations. Ontario and British Columbia have 

 adopted the opposite policy, relying upon taxing the licensees for fire 

 protection by the Government direct. 



The following instructions for forestry representatives attached to 

 the so-called Forestry battalions — forestry students from Toronto — are 

 of interest : 



1. To locate, survey, and make a general reconnaissance of all forest 

 areas acquired by the Home Grown Timber Committee for operation 

 by tbe Canadian Forestry Corps. 



2. Prepare detailed notes and sketch maps of the topography of said 

 timber lands, together with location of mill sites, logging roads, camps, 

 etc. 



3. Traverse roads and prepare profiles where rendered necessary by 

 heavy gradients. 



4. To make a timber cruise of those areas and estimate amounts of 

 merchantable timber, pit props, etc. 



5. To investigate upon and report upon forestry methods and make 

 recommendations as to reforestation, such as the most suitable and 

 profitable species for various sites, soil studies, etc. 



6. To prepare volume and increment tables, make growth studies, 

 investigate absence or presence of the commercially important fungous 

 diseases and insect pests. 



7. To investigate utilization of forest and mill waste, such as brush- 

 wood, slabs, sawdust, etc. 



