and long or short, narrow chan- nels. The cusps left between these depressions are sharp and rough - some to walk over. The charac- ter of this surface is shown indicated in photos 21, 28 13 & 30 A. The upper surface of the cliffs is barren of vegetation for fifty or fifteen yards back from their edge, where the heavy surf casts its spray. The photographs give but a suggestion of force exerted by the heavy surf. Looking southeastward from the point at Port d'Enfer at the base of the cliffs horizontal one sees a narrow shelf of rock at mean just above sea level. This shelf is still wave-swept but it suggests a compara-