Loufe of the Banftickle , or Prickleback, 377 
again. The internal Motions of the Bowels, 
&c. are prefented fo finely to Obfervation, 
by the uncommon Tranfparency of its Shell 
and Skin, that it is a moft agreeable Objedt 
for the Microfcope 5 and the Carp is often 
peftered with fuch Numbers of them, that 
they are not very difficult to procure. They 
may be kept a long while with the Carp in 
Water, but unlefs the Fifh be with them 
they die in a Day or two. 
The natural Size of this Infedt, at its full 
Growth, is fomething lefs than one of its 
Lyes appears in the magnified fig. K. 
CHAP. XXV 
L’he Loufe of the Banftickle, or Prickleback. 
UMB. xv. is the Picture of the little 
Vermin that infefts the Banftickle or 
Prickleback whereto it adheres fo firmly 
that it is hardly poffible for the Fifh to get 
rid of it, unlefs it pleafes to unfix itfelf. It is 
furnifhed with a Pair of fucking Xnftruments 
like the Carp-loufe, has the fame Number of 
Legs or Fins, which are continually in Mo¬ 
tion, whether itbefwimmingorfaftened upon 
the Fifh: and in moft other Particulars it fo 
nearly refembles the faid Animal, that after 
taking Notice of fome Difference in Shape, 
which 
