limestone forest, with flat green pods. Worked west along base of limestone ridge and climbed the high coconut covered north volcanic hill. Number of trees of Casuarina equisetifolia (native name Nokonoko) on the east slope besides the usual scrub, grass, ferns, and Pandanus. Soil is dark brick red above purplish-red sandstone (?). To the east the limestone country is luxuriently and densely wooded, the trees covered with vines and lianas. Many of the depressions, however, are planted to young coconuts. To the north the grassy slopes stretch to the sea, the lower part densely covered with coconut palms. Caught a very pretty dark green sphinx moth with transparent wings. Caught a moderate size cinerous spider with legs banded yellow and black, not seen before. It was oscillating back and forth on its web as do the "daddy- long-leg" spiders, and craneflies. Traversed the length of this north highland to the N.W. bay and collected on the west side, north of the high west hills. This is limestone country with a series of pockets - each with coconut palms. Ti, which has not been common on Mango, is here in fruit and flower. Watched a red-legged hermit crab climb laboriously up the stem of one, with apparently no special object in view, as when it reached the rosette of leaves it simply climbed from leaf to leaf aimlessly. Found a second liana. The twisted trunk at its maximum was by actual measurement 49 inches in circumference, or 15 1/2 inches in diameter. Caught a black and yellow Buprestid on a broken tree stem. The figs of Ficus No. 570 badly infected with small white beetle grubs. Collected some for breeding and preserved a number. Some of the streams disappear down subterranean channels in the transi- tion zone between volcanic and limestone formation. Call on board in evening from Mr. James Borron Jr., and Mr. Menzies. They said there were several large limestone caves on the island, some with bats.