Old dog Spot never once guessed that there was a back door to the Woodchuck family's home in the pasture. He had chased Mrs. Woodchuck into her house. He had likewise hunted her son Billy into the same front door through which his mother had only a short time before.  
"There must be more of these fat folks about the pasture," Spot thought. "I'll range around a bit and see if I can't surprise another."
 
So he began running about the pasture in big circles. And he was lucky enough, before long, to come upon Mr. Woodchuck himself, who had dined so on clover heads that he had to go to his and take a nap.
 
Spot was unlucky enough to lose him. Mr. Woodchuck had been feeling quite sleepy. But when he suddenly found himself pursued by a dog he was wide awake in an instant and running like a youngster.
 
He reached his home just in time.
 
"Well, that makes the third one that's inside the house," Spot muttered, shortly , as he paused to get his breath.
 
Little did he know how mistaken he was. There wasn't even one of the Woodchuck family at home; for Mr. Woodchuck had at once hurried out the back way, because he wanted to find his wife and his son and tell them to keep away from old dog Spot.
 
Soon Spot took a few more turns around the pasture. And this time he ran across Mrs. Woodchuck again.
 
He had no sooner run her to earth once more than he found Billy for the second time.
 
"This is a twin brother of the fellow I chased home once before," Spot panted, little dreaming that Billy Woodchuck had come back into the daylight.
 
"This twin is just as spry as the other one was," Spot as he reached for Billy right at his door—and missed him.
 
After that the old dog chased Mr. Woodchuck, then his wife, and next their son Billy Woodchuck. And he didn't succeed in any one of the three. Each of them beat him in the race to the Woodchuck family's front door.
 
Old Spot began to feel quite upset.
 
"I ............