in between the bars of the hippo's cage, with a pail full of bran mash, and cried:
"Open your mouth, boy!"
"Oh, look!" cried Bert.
And, as they looked, the hippopotamus opened his great, big red jaws as wide as he could, and the man just turned the whole pail full of soft bran into the hippo's mouth!
"Oh, what a big bite!" cried Freddie, and every one laughed.
"Does he always eat that way?" asked Mrs. Bobbsey of the keeper.
"Well, I generally feed him that way when there are visitors here," was the answer. "The children like to see the big red mouth open wide. And here's something else he does."
After the hippo, which is a short name for hippopotamus, had swallowed the pail full of bran mash, the keeper took up a loaf of bread from a box which seemed to have enough loaves in it for a small bakery, and cried: "Open again, old fellow!"
Wide open went the big mouth, and right into it the man tossed a whole loaf of bread. And the hippo closed his jaws and began chew-
