Sometimes he 's good-natured, and sometimes he 's dangerous; so the best thing to do is to let him alone and keep out of his way; and don't cross him, for if you do there 's liable to be trouble.
"Come on; let 's take a swim," he added, abruptly changing the subject to one more agreeable.

"Can you swim ?" Joe nodded.
"What 's that place ?" he asked, as he poised before diving, pointing toward a sheltered beach on the island where there were several buildings and a large number of tents.
"Quarantine station.

Lots of smallpox coming in now on the China steamers, and they make them go there till the doctors say they 're safe to land.

I tell you, they 're strict about it, too.

Why--" Splash! Had 'Frisco Kid finished his sentence just then, instead of diving overboard, much trouble might have been saved to Joe.