The air was oppressively still and hot.
"What can it be?" inquired Dick, looking at Joe, who
was gazing with an expression of wonder, not unmixed
with concern, at the southern sky.
"Dun'no', boy. I've bin more in the woods than in
the clearin' in my day, but I niver heerd the likes o'
that."
"It am like t'ondre," said Henri; "mais it nevair do
stop."
This was true. The sound was similar to continuous,