Note 9 — SKI MOUNTAINEERING. By W. R. Rickmers.

The ski which are suitable for ordinary excursions on undulating ground are not necessarily equally useful for long mountain climbs. In the one case ski-running pure and simple is the object in view, in the other the ski are merely a means to an end—the ascent of some difficult summit or pass. Some remarks as to the kind of instrument which may be found serviceable for the latter purpose are to be found at p. 34, and in the chapter on “Aids to Climbing.”—Ed.