minutes brisk walking. Up to that level Sycopsis completely dominates the forests and is practically the only large tree. The path follows the valley. I should expect more conifers and other trees on the ridge and crests on either side. Sycopsis grows to 35-40 m. high and up to 100-120 inches in diameter above the spurred base. It seems to grow to greater size on slopes. On occasional flat banks where drainage is probably not so good, few big trees occur. The forest there however is still a pure or almost pure stand of Sycopsis, heavily mossed on the ground and lower trunks. Have 209 numbers catalogued from the camp. October 17th. Cloudy after 10 AM: completely overcast by 3 PM: at 4.30 intermittent light rain commenced and continued through the night. Went up the Habbema track 200 m. above camp, where, at an altitude of 3000 m. numerous subalpine plants occur on the wet peaty soil of a wide shelf at the head of the valley in which camp is situated. See notebook #2. Another convoy of Dyaks and prisoners from and back to Habbema. Teerink and Huls to Habbema. October 18th. Still raining at daylight and to 7.30 AM. Dull overcast day with some rain in afternoon. Spent day in camp cataloguing material. Touch of insomnia. October 19th. Clear at 6 AM after a rainy night. Usually we have rain about daylight. Heavy rain at 12.30 PM, clearing later but remaining overcast (8 oclock) Collected up the ridge forming the south side of camp valley to an old native shelter (Sycopsis bark) at 2920 m. alt. (120 M. above camp) Collecting has not