Show Solid SoUd Stone c No Bar BaJ Barto to tD Tribe of Algae I It is enough to Imagine inc how animals like Ille moles succeed iu fu burrowing their theira a way through hard hard- packed earth under the sod but it seems even more mOle Incredible that living liv ing Sag creatures can cnn burrow through solid stone This is so however er and the creatures creatures crea crea- tures that do It are not Dot sturdy ani anImals ani anI- mals mal but minute living plants so small that they cannot be seen without without with out a n microscope These amazing tunnel makers belong bolong bo- bo long to the tribe f f Algae like those that form the green scum on sta stagnant nt The the extraordinary water They pu ess ss power of dissolving the ro rok rOII k kon on v they grow gotoW pro provided tl the e rocks contain lime Billions of the thc thea i growing nl along m t tIle tie seashore are arc known to have eaten away way huge huso lime |