72 PLATS XXX. 
F 1G IH. and F.}I GG. 1V. 
PROTEUS TENAX. 
GENERIC CHARACTER. 
An invifible, very fimple, pellucid Worm, of a variable form. 
SPECIFIC CHARACTER, 
Running out into a fine point. Miller. Ani. Inf. 
A gelatinous pellucid body, ftored with black molecules ; it changes 
its form in a regular order, firft extending itfelf out in a ftrait line, 
the lower part terminating im an acute bright point, without any in- 
teflines, and the globules being all colle€ted in the upper part. It next 
dzaws the pointed end up towards the middle of the body, {welling it 
mtoa round form. The contraction gecs on for fome time, after which 
the lower part 1s fwelled as in Fig. 1V. The point is afterwards pro- 
jected from this ventricofe part. It paffes through five different forms 
before it arrives at that reprefented at Fig. ITV. It fearcely moves 
from one fpot, only bending about fideways. It is to be found in siver 
water, where the Nitida grows.—Adams on the Microfcape. 
PLATE 
