gorge are arranged in confused [47] terraces, above which six terraces are distinct [Ile. xxii.,66A] in the southern side of the gorge. Northward of the Draflibon River, it is the only gorge of importance with reference to the recent eruption is that of the Larikai River. This drains the valley between the crater and its Somma ring on the north as far as a line drawn about midway of the longer diameter of the great crater and near the north- western side of the New Crater. With the present barrenness of the drainage basin, no water flows in the Larikai, except after a downfall of rain. Much ash has been carried out of the gorge and off from its slopes since 1908. In that year the slope