"You will fall in!" "Come back, Bob, come back!" screamed Nellie and her aunt together.
"Come back!" But, hardly able to keep his footing, it was out of Bob's power either to arrest his rapid descent of the downward slope or to retrace his steps.
The very cries of warning, indeed, of those above brought about the result they sought to prevent; for, looking up and waving his hand to reassure them, Bob all at once lost his footing, rolling over and plunging into the water right on top of Rover, his yell of dismay being echoed by a howl of pain from the dog..