Who else saw these footprints?" asked Sherlock Holmes. His bright eyes shone and he leant forward in his chair.
"No one else saw the footprints," answered Dr Mortimer. "There was a lot of rain in the night. By morning, the footprints had been washed away.
"How large were the footprints? Were they larger than the footprints of a sheepdog?
"Yes, Mr Holmes, much larger. They were not the prints an ordinary dog.