Look here!" He held up a shell and indicated a blue-green spot on the inside.
"You see that color?
That's what gives these clams their name and this is also the place where the salt deposit forms.

This clam has a high percentage of salt--more than any other." Harrigan, sending a bitter side glance at McTee, rose to bring some more wood, for it was imperative that they should keep the fire burning always.
"I'm so glad," said Kate, "that we have both the eggs and the clams to rely on.

At least they will keep us from starving in this terrible place." "H'm.

I'm not so sure about the eggs." He eyed them with a watering mouth, for his raging hunger had not been in the least appeased by the shellfish.
"But I'll try one just to keep you company." He peeled away the shell and swallowed the egg hastily, lest Harrigan, returning, should see that he had changed his mind.
"Maybe the eggs are all right," he admitted as soon as he could speak, and he picked up another, "but between you and me, I'll confess that I shall not pay much attention to what Harrigan has to say.

He's never been to sea before.