15 We remained camped today at Cheng-lu. The troops captured one new mouse & micropigs. Me took Parhyuma, Erpinga norwegiana 3 (male) + 1 microtina weve. I went monkey hunting with a local guide. We crossed the river in two dragouts lashed together + then we climbed up the creek about 3 miles thru onk forests. The monkeys stopped were feeding on acorns. They des- cribed the numbers as large ones with short tails which came daily to rob their maize fields in the fall. We saw no trace of them however. The Naxsong valley is much narrower than the Yangtze & the river is about half the width of that. It is a deep one with olive colored water interlaced with quartz. The sides are alluvial clay with some red sandstone in places. No limestone or granite in play on, seen. The boulders near the river are chiefly brown + yellow sandstone with an odd granite + porphyry mixed in. The few natives spin cotton & the women gin it + twist & spin the fibers into balls of white thread. These women wear blue trousers like Chinese & these large,