Current Literature. 267 



control. The treating apparatus, costing about $50, consisted of 

 two tanks, which are described as follows : 



"The heating tank was cylindrical, three feet in diameter and 

 four feet high. The bottom of the tank was covered with a coil 

 of one-inch galvanized iron pipe. This coil was connected with 

 a steam boiler to produce the proper degree of heat (about 220° 

 F). A framework of boards on top of the coil, protected the 

 pipe from injury, when the posts were dropped in. The posts 

 were submerged in the liquid for a depth of two and one-half 

 feet. In a tank of this size about twenty-five posts can be treated 

 at one time. The tank should be sunk in the ground about eigh- 

 teen inches for ease in placing and removing the posts. 



"The cold bath tank was rectangular, eight feet long, three 

 feet wide and three feet deep, reinforced by a framework of two 

 by four inch material. The posts are transferred from the hot 

 bath and laid horizontally. They are held under the liquid by 

 means of a frame cover held down with a lever." 



Tables are included, showing for the several species treated the 

 duration in the bath, the penetration secured, the amount of oil 

 absorbed, and the cost of oil per post. The last item varied from 

 two to fifteen cents. The average cost of treatment was a little 

 over eight cents per post. Notes concerning the treatability of 

 the various species are given. 



The writer emphasizes the important role seasoning plays in 

 increasing durability, stating that "it is a well established fact that 

 well-seasoned posts of any kind of wood will last longer than 

 those only partially seasoned." The observations of J. J. Crum- 

 ley of the Ohio Agricultural Experiment Station (Bui. 219) do 

 not confirm this statement. He says (p. 639) "From data col- 

 lected so far, seasoning does not seem to have any marked effect 

 on durability. The best catalpa fence examined was set green. 

 In the best oak fence examined, the posts were cut and put into 

 the ground the same day. Likewise some of the best fences are 

 those in which the posts were well seasoned." 



S. J. R. 



Pirst Annual Report of the State Forester of Oregon. Salem. 

 Oregon. 191 1. Pp. 24. 



"Prior to 1907 the statutes made it the duty of the State Game 

 17 



