and which was so well developed (43) here that it then received the name of "Wallison action." [Hovey, Miss Bull and Nat. Geogr. Mag. Russell.] [See. xxxii, 63 A. cf. photos same area in 1902, 1903 & 1908.] The concave side of the gorge now shows nine terraces one above another. The uppermost and possibly the two next below it are the original deposits from outbursts of the volcano and are now covered with sparse vegetation. The remainder are flood-plain terraces. In 1903, hot water was seeping out from the bottom layers of some of these banks and there were places in them where steam or hot vapor issued [cf- 1903 note books]. In 1908, the out- flowing water still was warm (?), but now the drainage level is be- low the old outlets and there is