knowhow full of holes allsponges are. Well, ifthere were not a freshsupply of water, fullof living things, allthe time passing-through these queerholes, these little creat-ures could not live amoment. This is alldone by little whip-like hairs inside their bodies, whichmove to and fro, and do all…
Children's literature, American · Children's literature
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