text:  This done they put their legs across his back and _ride_ him round the net room an experiment few would practise on the dolphin's back at least in these days; yet Aulus Gellius relates that there was a dolphin who used to delight in carrying children on his back through the water swimming out to sea with them and then putting them safe on shore! Now _but for the coins_ taking the above custom into consideration one might have supposed the ancients' _delphinus_ to have been the modern _thunny_