272 A FEW SEA-WORMS. 
giving a long description of this interesting worm. On being 
removed from its long flexible tube of mud, its thick body is 
seen to consist of seventy-five to eighty-five rings, with i 
profusion of 
long tentacles 
and a mass of 
short branchie, 
or gills, behind 
the head; be 
hind which i 
a short row of 
flattened tuber 
cles, from ead 
of which sprig 
a fine bristle 
that aids the 
animal in mer 
ing in and oi 
of its ‘case 

n contracted a 
to keep firmly within its tube, and whe 
to move partially out of it. 
We observed several tentacles which h 
tally torn off, wriggling about the saucer as 
Lewes (Sea-side Studies, p. 59) found that 
But should 
ite, 
tl 
ad beet accidet 
if actually jiring 
they ™ 
the power of motion for six days. 
feelers be cut off our Terebella, or Amphitr 
r this, DUT 
be able to reproduce them, and not only this, 

