Circular "21 - Insecticides and Subsidiary Materials 48 
The price of lubricating oil varies 
from 7 to 33 cents per gallon in tanks at the 
refinery depending upon the location. 
Available on contract: see Class 1^, 
General Schedule of Supplies, Procurement 
Division, Treasury Department. 
Ii'IENTHOL 
A solution of m^enthol in alcohol or 
other solvent is often helpful in reducing 
irritation caused by flea and chigger bites 
suffered by susceptible persons. The appli- 
cation of the solution is made locally to 
the affected area of the skin. 
Chemically'-, menthol is a white or color- 
less, crystalline solid having the formula 
C-|qH-| qOH. It is also called mint camphor or 
peppermint camphor, has the cooling taste and 
odor of peppermint, and is the principal 
constituent of oil of peppermint. 
Menthol is used externally as a lotion 
or ointment to relieve aches and pains, and 
respiratory troubles, as well as industrially 
in liqueurs, confectionery, perfumery, and 
tobacco. 
Menthol is sold in cases of tins at 
$7.00 to «^7.50 per pound. 
Available on contract: see Class 51 i 
General Schedule of Supplies, Procurement 
Division, Treasury Department. 
