They turned their steps toward the marsh, and were near its eastern border when David stopped and sniffed the air.
"I smell smoke!" he exclaimed eagerly.
"Are you sure ?" asked Doctor Joe, also sniffing.

"I don't smell it." "There's a smell o' smoke!" insisted David.

"The wind's from the west'ard, and the smoke comes from over the mesh.

There's a fire somewheres over there." "Your nose is keener than mine," said Doctor Joe hopefully.

"Go ahead, Davy.