69 
Museum Bulletin No. 25. 
Plate VII. 
A. Asymmetrical or current ripple-mark left by ebbing tide, current direction 
from right to left, Windsor, N.S. (Pages 3, 12, 19, 22.) 
B. Asymmetrical ripple-mark, current direction from left to right, Windsor, 
N.S. (Pages 3, 12, 19, 22.) 
