"Ugh—h—h. . . ." (trailing off in a long drawn aspirate sound).
"That," he explained, "means 'food.'"
He made a few more noises, preceded by facial contortions and deep breathing exercises—which seemed to be the necessary preliminary to this new ape language.
"There's a sound, too," he explained, "by means of which they call one another. It goes like this: '?..?..?!'" (My powers of representation fail me.)
"That may come in quite handy, George. Don't you think so?"
"Very!" I said. "If you have it right."
"I've tried it!" he laughed.
"On a live ape, d'you mean? When?"
"At the Zoo!"
"But . . ."