Wasp,Child, and Billy, depicted in this painting are recognized as some of the last known members of the breed before they became extinct. Average height was approx. 15 inches, they weighed about 45 pounds. A particular characteristic of the breed was the lower jaw that projected considerably in front of the upper jaw, which made possible a strong, vice-like grip. Show fanciers crossed in the Pug creating the modern deep set nose type of bulldog.