However, when I've cleared up a bit, I'll take Mr.
Lister down." The diver got into the boat and rowed to the tug, but the others stopped in the shade of the awning.

They had brought a spare diving dress, and before they tried to lift the wreck Lister must find out if Cartwright's supposition was correct, because if Cartwright had found the proper clew the job would be easier.

For all that, Lister frankly shrank from the preparatory exercise.

Diving in shark-haunted water had not much charm.
In the morning they hauled the tug alongside the wreck and at low-water rigged a derrick and opened the fore hatch.

The palm kernels had rotted and a horrible pulpy mass, swollen by fermentation, rose nearly to the ledge.