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"How were we to know till we tried her?" Nicholas asked, so innocently as to cause a laugh. "And how do you get the oysters?" he hurried on. "We want a load of them; that's what we came for, a load of oysters."
"What d'ye want 'em for?" demanded the Porpoise.
"Oh, to give away to our friends, of course," Nicholas retorted. "That's what you do with yours, I suppose."
This started another laugh, and as our visitors grew more genial we could see that they had not the slightest suspicion of our identity or purpose.
"Didn't I see you on the dock in Oakland the other day?" the Centipede asked suddenly of me.
"Yep," I answered boldly, taking the bull by the horns. "I was watching you fellows and figuring out whether we'd go
