midnight
It 's bad enough to have a tent shrink after a rain , but _ an island _ ! '' `` I think this island is warranted not to shrink , '' said Townsend . `` Warranted nothing , '' said Billy ; `` look how muddy the water is all around it . It 'll be about as big as a fifty cent piece by midnight . The river is eating it all away . '' `` Speaking of eating , '' said Townsend , `` here comes the discoverer . '' The discoverer and his companion were indeed approaching and apparently they had sacked the town of Bridgeboro .