ties, The number of barbers varied with demands for service. On the other islands, hair cutting was done by non-professional "experienced" volunteers. The following table shows gross receipts from the beginning of Holmes & Narver operation of this facility in February 1951: Month Gross Receipts February $ March April 633.00 744.00 1,122 ,00 1,059.00 May POST EXCHANGE Post exchange units were established and operated for the convenience of personnel on Parry, Runit, Engebi, Biijiri, and Japtan. These units stocked necessary items of clothing, towels, toiletries, magazines, candy, fishing tackle, watches, stationery, and other supplies. The main store at Parry, after being enlarged in March 1951, occupied a floor area of 1344 square feet, a thitd of which was used as customer area and the re- mainder for storage of stock, The Parry P.X. supplied stock for other stores, which were set up in makeshift locations. the volume of sales for each site. Table 16,5~6. shows TABLE 16,5-6, POST EXCHANGE SALES BY SITES Month 1950 September October November December 1951 January February March April May 16-30 Parry Runit Biijiri Engebi Japtan $ 9,044.00 $1,203.00 $1,612.00 $4,405.00 9,212.00 1,452.00 1,9%2.00 4,666.00 13,310.00 11,817.00 11,671.00 1,916.00 2,176.00 1,729.00 2,142.00 1,399.00 17,599.00 2,197.00 22,556.00 30 , 420.00 34.00 — 18,655.00 1,956.00 1,965.00 5,625.00 7,780.00 5,993.00 3,656,00 6,630.00 2,720.00 768.00 2,746.00 2,977.00 3,576.00 6,663.00 — — — - —— $ 774,00 1,222.00 154.00 1,526.00 2,284.00