"I know what we can do," said Dick to Herbert, after they had sailed some little make-believe ships in the brook, while Carlo lay in the grass on the bank. "We can take your Monkey and my dog down the street. People will see him and laugh. Shall we do that?"

"Oh, yes. Let's do it!" exclaimed Herbert.

Once more the boys started to run across the meadow, and Carlo, seeing them go, and not wanting to be left behind, started after them with a "bow-wow." The Monkey was still on his back.

The two boys were almost across the meadow, and were thinking what fun it would be to see the dog going down the street, giving the Monkey a ride, when, all of a sudden, Carlo saw a cat.

Now you know what dogs do when they see cats. They chase them, just for fun, you understand. And this is what Carlo did—he raced after this cat as fast as he could go.

"Carlo!" chattered the Monkey.

Now, somehow or other, the strings by which the boys had fastened the Monkey on the back of the dog had become loosened. One knot after another came undone, and the Monkey felt himself slipping.

"Oh, wait a minute! Wait a minute, Carlo!" cried the Monkey, for he could talk now, being out of hearing of the boys. "Wait! Wait!" cried the Monkey. "I am falling off!"

"I can't wait!" barked Carlo. "I must get that cat!"

On he ran, faster than before. Dick and Herbert saw him, and Dick cried: