2 oz.) each per annum, worth 20/. per \oo viss, ox 3840/. It is supposed that
the cost of starting the plantation would be trifling, not exceeding is. per acre,
per annum on the first 7 years, making a total for that period of 1, 120/. The
further cost of tapping, pressing, and preparing the juice is . placed at I2i per
cent of the profits, leaving a net asset of over j,ooo/. per annum. The milk
is said to coagulate more readily than that of Finis spp. The incision adopted
by Strettell is arrow-like, and made on the sides of the stem. The rows of cuts

•are 3 ft. apart, and arranged to be in vertical lines. Funnels formed of the
leaves of Buiea frondosa are selected for catching the exudation. The best
season for tapping is about the end of April; between October and March,
circulation is slow and the milk is scarce, but during the rains, the milk is
more watery and abundant.
Borneo. — The sources of Bornean rubber are not very accurately known.
