136 Scientific Intelligence. 
and even seize upon the horns of the periwinkle, which they bite. If 
the mollusks do not keep a very firm hold of the rock or tank sides, 
the Blennies, Gobies, Cottus, with Crabs and Actinie; in a third Coral- 
lines, Annelids, Polyps, Rock-borers, Sabelle, Serpule, Holothurias, 
and Actinia. 
Another curious instance of loss I may detail which has quite re- 
cently occurred, and which may prove interesting; it was in a small 
rock 
Gobius niger, inhabiting the pool, could nowhere be see he day 
after this the oyster was opened for the general feeding, when lo: 
within the shell was found the unfortunate Godius, quite dead. heth- 
er this little gentleman had been attracted within the trap by curiosity 
Since the reading of this paper at Hull I have received a Blenny of larger size, 
ia +z although it has become so tame that it will ak 
low itself to be touched by the hand and takes its food from the fingers, yet its 6 
iti small Crabs; and t? 
. 

pL ociation with his own species and a few Actinic. The only mm 
poor Crabs had was to bury themselves in the sand, and whenever they 4” 
ted to move out of their refuge they were immediately pounced an 
rapidly 
