"Indian Ocean." . . . . . . "An account of the deep-sea ophiuroidea collected by the Royal Indian Marine survey ship Investigator" . . . . "An account of the deep-sea Ophiuroidea collected by the royal Indian marine survey ship Investigator" . "Ophiures recueillies par l'Investigator dans l'Océan Indien I: Les Ophiures de mer profonde" . . . . . . "An account of the deep-sea Ophiuroidea collected by the Royal Indian Marine Survey ship Investigator" . . . . . . . . .