I guess you were reading one of the master's old romances, and then had a dream.

Wake up, Paul!" "It's true every word of it!" "Then if there were such big animals, why don't we see 'em sometimes running through the forest ?" "My, they've all been dead millions of years and their bones have been preserved there in the marsh.

They lived in another geologic era--that's what Mr.Pennypacker calls it--and animals as tall as trees strolled up and down over the land and were the lords of creation." Henry puckered his lips and emitted a long whistle of incredulity.
"Paul," he said, reprovingly, "you do certainly have the gift of speech." But Paul was not offended at his chum's disbelief.
"I'm going to prove to you, Henry, that it's true," he said.

"Mr.
Pennypacker says it's so, he never tells a falsehood and he's a scholar, too.

But you and I have got to go with the salt-makers, Henry, and we'll see it all.