Shells

Opipeuter Trilobite

Lhwyd wrote to his correspondent Martin Lister about the fossils to be found in the limestones around the South Wales town of Llandeilo the 15th of August whereof we found great plenty must doubtless be referred to the scele-ton of some Fiat-Fish. Lhwyd's flatfish were, of course, trilobites. When my children were young they used to play a game with sea shells. Holding a large whelk to one ear they contrived to hear the sea the distant crashing of waves on the shore, or the...