LAMPLUGH: GLACIATION IX VAXCOU^'EII ISLAND. 61 
give an illustration on PI. VI., where a vertical face of basalt has been 
horizontally striated, fluted, and undercut. Not only has this been 
the case where the wall has stood unprotected, but also where it has 
formed one side of a deep narrow gutter, such as those shown in 
Figs. 6 and 7. In all the cases which came under my notice, where 
a b 
SOUTH 
Fig. G. — Ground-plan (A) and Section (B) of a gLicial groove in close-grained 
quartzite (?) at Cemetery Point. Scale 1 inch to 20 feet. 
A. — Groove running nearly north and south; 3 feet across at top. about 1 foot at 
bottom ; .3 to 4 feet deep ; about 30 feet in length as seen on the foreshore but 
is probably continued into the clif¥ ; west side steep and almost overhanging, 
east side slopes at about 45*^ : striao in groove run at a low angle with those 
on sui-face of rock. 
B. — Section across the groove at a. b. 
Shading on ground-plan shows direction of strife. 
S Cuff Top 
•2 
Fig. 7- — Section of Cliff near Yictoiia. V. I. (as indicated on Sketch-Map). Scale 
1 inch to 45 feet. 
A. A. — Beautifully striated and polished surfaces — grooved and bossed — running 
N. and S., nearly. 
B. — Sharp angle where different sets of striations meet. 
C. — Vertical face, polished and striated along its direction, nearly E. and W. ; 
further back than section it is cut up into sharp grooves. 
