Show spiders dam against flood ci enlists recently were entertained by v a distinguished traveler with an account of a spider living in australia which makes its habitation along tho the seashore in the crevices cre ices of the rocks between high and low ionn water marls but when the tide Is in their homes aro are covered cohered with water nater instead of 0 despirt deserting ing them li however the spiders solve the difficulty by means of 0 close ly woven sheets ot of silk which they stretch over the entrances behind which they manage to retain sufficient sir air to areep them all alin e during the time they remain submerged |