_ Botany and Zoology. 121 
which the shells can live; on gently inclined coasts alone can they ac- 
cumulate to any considerable width; and from the w perin- 
cumbent pressure, it is seabebls that the ndlioaenta matter will seldom 
be much consolidated: such formations have no very good chance, when 
of having remained stationary, shall have gone on slowly rising during 
he deposition of the strata, for in this case their total thickness must 
J 
ordeal of the beach; and on most coasts, the waves on the beach tend to 
wear down and disperse pn ne seaiuad to their action. Now, 
on the south-eastern and western shores 0: So uth America, we have had 
IIT. Botany anp Zoovocy. 
1. Hillocks of Bolax g oj haw of the Falkland Islands, (extract 
from J. D. Hooker's Flora Antarctica.)—‘ Long before the Falkland 
Islands were cnleaieed from Britain, sy present plant had excited con- 
siderable curiosity by the very remarkable mode of growth it there 
tering groves of ide gl: ener leaves often wave over his head; nor 
turn his step inland, w out seeing, pontioned over the aor hu uges 
nh 
‘Seconp Seaise, “Vol. ‘Ill, No.7 7.—Jan:, 
. 
