Isa knew, therefore, that these pearls had a value to white men which was beyond the ordinary diver's comprehension.
If one is prospecting in fresh pearling grounds, and impatient, the oysters may be opened immediately they are brought to the surface and the contents examined. That is a slow, laborious operation, however, and once the pearlers have settled down to work they leave the shells to rot in the sun for a day or two before attempting to reap the harvest, for the valuable little objects are much more easily discovered then. Chester Trent had got over the feverish stage weeks before. So long as plenty of shell was raised he was well content to wait. Nor did Joan display any particular keenness. More than once she had been out with her brother while fishing was in progress, and moreover, her faith in pearling was but slight. It was different, however, with the man from the Four Winds. "Once a pearler always a pearler" is a saying one hears in the Pacific. It was long since Keith had leaned over the side of a boat watching the gliding forms of black men hunting for shell in which he was interested. The sight of it brought back something of his old ardour, and he pried open the shells one after another as they were flung into the whale boat, though his search was entirely without success. He laboured in this way for more than a couple of hours before his first enthusiasm wore off, and then,
