The Rabaka Dry River bed near sea - (28 level remains a barren waste of fine and coarse lapilli a half-mile ac- cross. Its lowest portions, as cut down by the shifting channels of the stream in flood time, are 15 to 20 feet below the general level of the sloping plain which marks the maximum of debris transportation and deposition in 1903. The material is too porous to retain moisture and therefore bears no vegetation. A vast amount new of sand and gravel has been carried and boulders out to sea from the windward side of the mountain, principally or almost wholly through the gorge of the Rabaka. This has been dis- distributed along the coast from the Orange Hill Estate to Comrie, miles 60 to the southward, building out