The Jack Russell Terrier is a British breed of small terrier. It is principally white-bodied and smooth-, rough- or broken-coated, and can be any colour.
Jack Russell Terrier
A drawing of Trump, the dog purchased by the Rev. John Russell.
Carlisle Tack, a Fox terrier born in 1884, who was owned by John Russell.
A Jack Russell terrier wearing a dog harness
Terrier is a type of dog originally bred to hunt vermin. A terrier is a dog of any one of many breeds or landraces of the terrier type, which are typically small, wiry, game, and fearless. There are five different groups of terrier, with each group having different shapes and sizes.
Some terrier breeds. The book of dogs; an intimate study of mankind's best friend, 1919.
A painting of an English toy terrier by Frederick August Wenderoth in 1865