Show CURIOUS WAYS OF SEA CRABS take elanora e ons to protect tl em selves from enemies certain species of crabs cover them selves with u veed in order to de ervn their foes one crab as seen bv the natural st eis g in 1878 to pluck off zoophytes those plant like animal colonies asch grow on shells and stones and to fix them on the and hairs of its shell A still deeper romance of defensive tactics is to be found in the case of certain hermit crabs they live in the cast off shells of whelks and crawl about house on bad one claw is bigger than the other and this is an adaptive feature for when the crab retires into its house the bigger claw is tucked across the mouth of the shell to bar the may against a possible intruder more curious still Is the habit of one species which to Is along with a sea anemone fixed to his shell like S n bad carrying the old man of ane great care is taken of this anemone it Is fed by the crab and it the latter ha to seek a new shell by reason ol 01 his growth he tenderly shifts his ten ant oft the old abode and places him on the new one |