ON THE ERRATIC BLOCKS OF ENGLAND, WALES, AND IRELAND. 517 



-(6) Andesite 44 in. x 31 in. x 20 in. ( + ) ; snb-angular ; striated axillary ; 



strise N. 10° W. ; opposite sea wall, south of Gayton Cottage, near 



Heswall. 

 <7) Andesite 40 in. x 19 in. x 12 in. ( + ); sub-angular; axis N. 5° W. ; north 



of Gayton Cottage. 



(8) Local sandstone 14 in. x 12 in. x ? ; sub-angular; axis N. 5° W. ; near 



last. 



(9) Diabase 40 in. x 20 in. x 12 in. ( + ) ; angular ; axis N. 10° W. ; north of 



boathouse between Heswall and Thurstaston. 



(10) Granite, Criffel, 20 in. x 14 in. x ? ; sub-angular ; planed ; striated ; strife 



N. 12° W. ; 200 yards south of old stone culvert and roadway between 

 Thurstaston and Caldy (Dawpool). 



The total number of boulders which we have measured and recorded 

 is 1,176 (the full list being deposited with the Glacialists' Association 

 at Stockport), consisting of — 



Andesite, Lake District 

 Andesitic breccia, &c. . 

 Granite, Eskdale 

 Granophyre, Buttermere 

 Granite, Criffel . 

 Dalbeattie granite 

 Silurian grit 

 Diorite (origin doubtful) 

 Diabase (? Scotch) . 

 Carboniferous sandstone 

 Millstone grit . 

 Basalt .... 

 Volcanic ash 

 Quartzite 

 Tfelsite 



Local Triassic sandstone ' 

 Various of doubtful origin 



317 



95 



110 



26 



102 



32 



78 



92 



286 



4 



2 



9 



2 



3 



6 



6 



6 



Total Lake District rocks = 548 

 (exclusive of Silurian grits, some 

 of which may have been derived 

 from Scotland). 



Total Scotch rocks = 134. 



1176 



' There is a very large number of blocks of local sandstone on the shore, but as 

 many of these have formed part of old sea walls and the like, only those which aie 

 in situ or show undoubted signs of glaciation have been included in the above list. 



