The term 'Kind of Terrier' refers to three different breeds of terriers: CAIRN, Skye, and BULL. The CAIRN Terrier is a small breed of dog originating from Scotland, characterized by its wiry coat and alert demeanor. The Skye Terrier is a long-haired breed of terrier originating from the Isle of Skye in Scotland, known for its distinctive flat head and long muzzle. The BULL Terrier is a medium-sized breed of terrier originating from England, characterized by its muscular build and egg-shaped head. All three breeds are considered to be part of the same family of terriers.