TRAFALQAR #QUARE WATERWORKS. Mr. AMOS repeated the statement contained in the Paper, that the water in the wells had not diminished ; during a very dry season, it was gradually lowered, but in wet weather, it rose againito its original level. At the present time there was plenty of water, the principal portion of which, in his opinion, came from the chalk, into the well on the left-hand side of the front of the National Gallery. I n other instances, the same success might not have followed from

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... operations in the chalk ; for the railway cutting had shown, that whilst the chalk formation was, sometimes, extremely friable, it was, at other times, so hard, as effectually to revent the infiltration of water. The sinking of the wells called F or no par-