%) 
%% 
p> 
[o) 
Relative 
Frequency | 
3 
(%) 
FORT MACON 
Relative 
Frequency 
> 
° 
7 
aN 
985° F0§ EMERALD ISLE 
Legend: Size Shell length 
Glassy) (ueks(um) Ane 
iL OJ0%te" 265 
wy) Soil (0) 7/55) 
3 Dod ) Wor 
4 7.6 to 10.0 
=) IU) oI6 tee) IAoS) 
6 1260 tao 15,0) 
7 US)od fee) al7/o8) 
8 17.6 to 20.0 
9 20.1 to 22.5 
Figure 24. Size class distributions for D. parvula at the nourishment 
beach at Fort Macon, June 1977 to August 1978, and the 
comparison beach at Emerald Isle, September 1977 to August 
1978. 
43 
