His head reached up to within forty yards of us as he swarmed against the cliff, and Garlicke aimed carefully for his eye. The bullet only grazed the unscarred eyebrow, giving it a curious uniformity with the other one. The brute merely blinked impatiently as the ball thudded on the shell-like lid, but did not twitch a muscle. As it splayed out its feet on the bank of loose stones, seeking purchase to strain higher, the rubble gave way, and it rolled back with a thump upon its side. Its green belly shone a loathsome pink in the glare from above, and for a moment it lay prone, its great legs kicking convulsively. Then with an effort it righted itself, and crawled sulkily away to resume its sentinelship at the cliff-foot. It continued to ramble to and fro unceasingly, casting ever greedy eyes at us, the hideous snout lifted to the breeze, the long tongue lolling from between the yellow teeth.

Chapter XIX, page 307