BIVALVES. 73 
destroyed by men, who clothe and adorn themselves 
with the labour of these sweet creatures, and are 
proud of wearing such inglorious spoils ?”’ 
We now proceed to that extraordinary species of 
compensation which supplies the deficiencies of the 
Pinna Marina,—not by any contrivance in the 
animal, but through the agency of a resident in the 
cell. The Creator has placed the eyes of the com- 
mon Muscle in the tongue. And why? Because 
this member answers the purpose of feet, in enabling 
her to travel from one station to another; but to 
the present subject of our inquiry he has denied the 
faculty of vision. The animal inhabitant of the 
Pinna is therefore nothing more than a blind slug, 
surrounded with innumerable enemies, and particu- 
larly obnoxious to the Sepia, or Cuttle-fish. 
‘*Ambushed in weeds, or sepulchred in sand!”’ 
he watches all his motions; and no sooner does he 
open his bivalve shell, which occasionally exceeds 
two feet in length, than he rushes upon him like a 
lion. Now, it will naturally be asked, how such a 
blind, defenceless creature, can either procure food or 
protect himself from the attack of his implacable 
enemies? Nature uniformly redoubles her exertions 
in favour of the weak; or rather, it may be said, that 
the God of nature offers, by this new and affecting 
compensation, an additional reason for unreserved 
