The dog outside was barking still. Once in a while he would stop to catch his breath and then he would continue as loudly as ever. He scratched at the door with his paw, which made Nan shiver from head to feet.
"He is trying to work his way in," she cried.
"If he does that, I'll hit him with this," answered her twin brother, and brandished the spade handle over his head. He watched the window closely and wondered what they had best do if the dog leaped straight through and attacked them in the dark.
The barking continued for over quarter of an hour. To Nan and Bert it seemed hours and hours. Then came a call from a distance.
"Hi, Tige, what's the matter? Have you spotted a tramp in the shed?"
"Help! help!" called out Bert. "Call off your dog!"
"A tramp, sure enough," said the man who was coming toward the cow-shed.
"I am not a tramp," answered Bert. "And my sister isn't a tramp, either."
"What's that? You've got your sister with you? Open the door."
"Please, we are afraid of the dog," came from Nan. "He came after us and we ran into the shed for shelter."