The Surface Rock Is Invariably An Oolitic Limestone, Mixed With An Imperfect Freestone, And In Some Places Exhibits Fossil Banks, Which Bear Evident Marks Of Being Of A Very Recent Formation.

"The whole of this extent of country is totally destitute of surface water - we have never met with a

Watercourse, or pool of any description, and all the water we have obtained since we left Streaky Bay has been by digging, generally in the large drifts of pure white sand close to the coast. This is a work frequently of much time and labour, as from the depth we have had to sink, and the looseness of the sand, the hole has often filled nearly as fast as we could clear it out; the water too thus obtained has almost always been brackish, occasionally salt. Latterly even this resource has failed us; after digging a few feet we have been impeded by rock, which gradually approaching nearer the surface towards the head of the Great Bight, at last occupies its whole extent, unless where partially concealed by sand-drifts, or low sandy ridges covered with brush. We have seen no trees or timber of any kind of larger growth than the scrub, nor have we met with the Casuarinae since we left Streaky Bay.

"The natives along this coast are not very numerous; those we have met with have been timid, but friendly, and in some instances have rendered us important assistance in guiding us through the brush, and shewing us where to dig for water - their language appears to be a good deal similar to that at King George's Sound.

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