of the Sipunculi bury themin the crevices of rocks, there ecies (Sipunculus Bernhardus, ost parts of the British coast, mple of the Hermit Crab, adopts ils of univalve testacea, in one or tantly resides. This Sipunculus, ear to be of a less changeable crustacean analogue, for, when in a shell, it makes that its perWhether the egg is originally ure habitation of the animal in onderful instinct, or is only devey the water in such a locality, or ipunculus bequeathes the chosen es, British Star-fishes. |