VOL. II. 



PLATE VI r. 



RIPPLE-MARKS, SUN CRACKS, RAIN-DROPS abraded by the Surf, aud WORM-HOLES, 

 in the Sheltered Hollows — From the " Bottom-Bocks" of the Longmynd. 



In the Museum of PRAOTicar Geology, Jermyn-Su-eet. 



S. J. Macrie del. 



