It was not fashion the straight legged ones have been around many many years well over a 100 years ..plus ..Well documented as well ..
Of course the straight legged sort are not a new type donnyc. A simplistic view, as I'm sure that well aware of, is that the white bodied hunt terriers of the 19th century not only formed the foundation stock for the KC Fox Terrier but live on in our working Russells. My point was that there used to be far more variation in type within the white working terriers that we refer to as Jack Russells even 30 or so year ago. I'm not for one moment suggesting tha