119 
Museum Bulletin No. 25. Plate XXXII. 
A. Symmetrical ripple-mark with transverse ripples, on Carboniferous 
sandstone, Joggins section, N.S. (Pages 43, 49.) 
B. Symmetrical ripple-mark with saucer-shaped depressions in the troughs, 
Carboniferous sandstone, Joggins section, N.S. (Page 49.) 
