Abstract
I.—Specimen from one of the blocks lying on the Ecca Shale on the declivity near the Klip River at the Station Hospital, Ladysmith. This is a bluish-grey rock of close texture, with a flaky and sometimes conchoidal fracture. The broken surface does not reveal the rock's internal structure; but on the weathered surface, which appears as a brown crust, the siliceous strings and bands passing through the rock stand out in high relief. The surface effervesces freely when touched with acid.
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