155 



Mr. Edward Hull, B.A., called attention to instances of 

 glacial striations recently discovered by Mr. G. H. Morton, 

 at Liverpool, during a recent visit to that town in connection 

 with his duties on the Geological Survey. Mr. Hull was 

 kindly conducted by Mr. Morton to the spots where the striae 

 are visible. One of these is at the south, the other at the 

 north side of the town, and at the latter the extent of surface 

 exposed Js several hundred square yards. The rock-surfaces 

 had been protected by a thick coating of boulder clay, which 

 has been removed for brick-making. It is owing to the pro- 

 tection thus afforded to the rock that the striations are 

 preserved in all their original freshness. The rock belongs 

 to the New Ked Sandstone, and is a moderately hard reddish- 

 brown and yellowish building stone. There are two systems 

 of striae, the primary one ranging N.N.W., the secondary 

 nearly east and west. Of the latter, the markings are 

 comparatively unimportant, but are very clear and sharp. 

 The primary stride run in remarkably straight lines — in the 

 form of deep groovings and scratches, and the w^hole surface 

 of the sandstone is worn down to one uniform gently-sloping 

 plane. 



It appeared evident, from the directions of the striae, that 

 they had been produced by icebergs coming from the north^ 

 in all probability from the Cumberland mountains, where 

 glaciers are known to have existed during the period of the 

 boulder clay, or rather earlier. The secondary groovings 

 might have been produced by bergs coming from North 

 Wales^ but this appeared very problematical. The interest 

 attached to these cases of glaciation was stated to arise from 

 their position at so great a distance from the Cumberland 

 range. In the immediate neighbourhood of these mountains^ 

 as also in that of North Wales, ice-moulded surfaces have 

 frequently been observed, but never before on the New Eed 

 Sandstone of Lancashire or Cheshire. (See Mem. Lit. and 

 Phil. Society, Vol. I., 3rd Series.) 



