104 
VENTRICULITES. 
of digestion and assimilation before it was fitted for 
support ; the nutritious particles were no doubt ab- 
sorbed by the openings so numerously distributed 
on the inner surface of the ventricular cavity. 
Whether the recent ventriculites were confined 
to one spot, or possessed a certain degree of loco- 
motion, and by detaching their radical processes, 
were able to change their situation by floating in 
the water, cannot with certainty be determined ; 
but it seems more probable, that, like the alcyonia 
and actinicE, they were permanently fixed to the 
rock upon which they grew. 
The annexed figures will perhaps serve to render 
the subject more intelligible. 
Groiijj of VentricuVitca 
