18 SINOXYLON ANALE. 

thereby greatly increasing the depreciation in the commercial 
value of the wood. 
As we have seen Sal, Sissu and Shisham (D. Sissod fond 
latifolia) and Xylia dolabriformis have up to date been 
_ reported as suffering from the attacks of this pest. 
As in the case of its companion it appears to bore with equal 
ease into barked or unbarked timber, and this habit renders 
it all the more dangerous. 
Protection and Remedies. 
The remarks made under this head for S. crassum apply 
equally here. In addition dead standing trees should be cleared 
out since the insect attacks wood in a dry condition. 
Further, I would recommend that, if possible, the amount of 
fuel kept on hand in the fuel depét at Changa Manga should be 
reduced to the least possible minimum if it is not possible to 
do away with the depét altogether. In April I found S. anale 
_ fiddling the wood in numbers of stacks and others, which 
had been in the depét for some time, were very greatly reduced, 
Plate I, fig. 2, d, shows the results of the beetles’ work in this 
wood. 
Points in the life history requiring further observation. 
‘1. The number of generations passed through during the 
year between March and November. r 
2, The number of eggs laid by the female and method of 
laying them. 
3. In which stage or stages the insect passes the winter. 
