curving before us until it ended in a long, whale-backed ridge. This we reached about midday, only to find a shallow valley beyond, rising once again into a gentle incline which led to a low, rounded sky-line. It was here, while we crossed the first of these hills, that an incident occurred which may or may not have been important.
Professor Challenger, who with the two local Indians was in the van of the party, stopped suddenly and pointed excitedly to the right. As he did so we saw, at the distance of a mile or so, something which appeared to be a huge gray bird flap slowly up from the ground and skim smoothly off, flying very low and straight, until it was lost among the tree-ferns.
"Did you see it?" cried Challenger, in exultation. "Summerlee, did you see it?"
His colleague was staring at the spot where the creature had disappeared.
"What do you claim that it was?" he asked.
"To the best of my belief, a pterodactyl."
Summerlee burst into derisive laughter. "A pter-fiddlestick!" said he. "It was a stork, if ever I saw one."
Challenger was too furious to speak. He simply swung his pack upon his back and continued upon his march. Lord John came abreast of me, however, and his face was more grave than was his wont. He had his Zeiss glasses in his hand.
"I focused it before it got over the trees," said he. "I won't undertake to say what it was, but I'll
