Robert Leighton, an authority on dogs, wrote in 1907 how breeding St Bernards as ‘show’ dogs turned them into ‘cripples’ because they were too tall and heavy and called for new conformation standards.
From Pekingese to St. Bernard and greyhound, dogs come in such startling variety it's easy to forget they belong to the same species. The profusion of breeds today -- at least 150 -- reflects ...