A Dandie Dinmont Terrier is a small breed of dog in the terrier family whose history lies in the Scottish Borders. Originally breed as hunters, they were known for there courage and tenacity. The were used to control rats, otter, fox and polecats. The name is believed to be from the novelist Sir Walter Scott who mentions the dog in his book 'Guy Mannering'. In fact, the breed was actually developed by James Davidson in the Harwick area and the breed standard set in 1876.