A DEEP-SEA MOLLUSK AND ITS MESSMATES. 



Fig. 14. — Pleurotoma symhiotes, with its commensal zoophytes 

 {EpizoantJjus)^ from off Cape Comorin, 1043 fathoms. This animal, 

 unlike other Indian Pleurotomas, has never been taken without a crust 

 of these sea-anemones. 



\To face page 130. 



