Five New Species Of Blanket-hermit Crabs

"Here there is no shell to play the part of “Sir Pandarus of Troy,” but the sea-anemone settles upon the hinder part of the young hermit-crab’s tail, and the two animals grow up together, in such a way that the spreading zoophytes form a blanket which the hermit can either draw completely forwards over its head or throw half-back, as it pleases.”