ON ERRATIC BLOCKS OF THE BRITISH ISLES. 



241 



51. Wilmslow 



52. Wirral 



53. Woodley 



1. Mary port 



2. Skiddaw 



3. Whitehaven, Coast N. 



1. Cefn Cave . 



2. Eryrys . 



3. Glyn Ceiriog 



4. Llanrwst Gorphwysfa 



5. Minera 



6. Ruabon 



7. Trevor 



8. Wrexham 



1 . Broadhurst Edge . 



2. Bugs worth . 



3. Buxton 



4. Chapel-en-le- Frith 



5. Doveboles . 



6. Hayfleld 



7. Little Hayfield . 



8. Millersdale . 



1. Ashburton . 



2. Barnstaple Bay . 



3. Berry Head . 



4. Bickington . 



5. Bishop's Teignton 



6. Cleve . 



7. Churston 



8. Diptford . 

 ft. Englebourne 



10. Harberton . 



11. Kingston 



12. Maristowe . 



13. Rival ton 



14. Santon 



15. Start Point to Prawle 



16. Tamerton Foliot . 



17. Waddeton . 



1. Barnard Castle 



2. Blackballs . 



1903. 



. 18S1. Gran., Trias. 



. 1901. Striifi. 



of . 1879. Criff., Greenstone. 



Denbighshire. 



. 1876. Aren. 



. 1876. Aren. 



. 1876. Aren. 



. 1874. Sils. Congl., Felspc. Stone. 



. 1881. Flint, Esk., Aren. 



. 1876. Aren. 



. 1876. Strife. 



. 1878. White sil. Rock (? Jur.). 



. 1877. Esk., Trias. 



Derbyshire. 



1901. L.D. And., Rhy., Porph. Fels., Butt, M.G., 



Grit, Trias. 

 1891. L.D.A. and Rhy. Agg., Criff., M.G., CM. 



Sands., Vein Quartz, Butt., Esk., Gall., 



Flint, Trias, Carb. L. Chert and Sands. 

 1895. L.D. And. and Ash, Butt., Chert, Canister, 



Toadstone. 

 1893. L.D.A., Gran., Vein Quartz. 

 1893. L.D.A., ?Gran., Flint. 

 1893. L.D.A., Agg., Butt., Esk. 



1891. Butt., Esk. 



1892. Butt. 



1893. L.D.A. 



Devonshire. 



1877. Greenstone. 



1873. Gran. 

 1875. New Reds. 



1879. Gran. 



1874. Travelled Boulders. 



1880. Quartzite. 



1875. New Reds. 



1880. Quartzite, Greenstone. 



1875. ' Trap.' 

 1877. Not erratics. 

 1880. Greenstone. 

 1880. Quartz. 



1 876. Felsite. 

 1873. 



1880. Schorlaceous Gran. 



1880. Quartzite. 



1875. New Red Sand., Dol. Limes. 



Durham Co. 



1903. Whin Sill, Carb. Sands., L.D. And. Asn. 

 1903. Gran. (? Dumfries), Porpli. (Chev.), Augen- 

 Gneiss, Gneiss, Quartz Porphyry, Gran. 



