Just going along the lines of applause here, this is basically the pieces of the puzzle, i have many times sat down and looked at tthe terriers of the british isles and thought somehow this are all interacted just knowing how to priduce the specific type of dog and breed to it cose and then it is done. All breeds also need some from another to make them unique, i read that before putting russels in the whippets was standard every 5 generation. I think though that when these people made these different dogs that today go under common name patterdale or else, they were breeding to type in the be