theories. 1  1 : the analysis of a set of facts in their relation to one another. 2  2 : abstract thought : speculation. 3  3 : the general or abstract principles of a body of fact, a science, or an art music theory.
The Bernese Mountain dog originated in the Swiss mountains. Many 18th century paintings show dogs that look like a Bernese type dog. The breed was named for the Canton of Bern in Switzerland. They were working dogs particularly good at draft work, pulling carts to market.he Bernese Mountain dog originated in the Swiss mountains. Many 18th century paintings show dogs that look like a Bernese type dog. The breed was named for the Canton of Bern in Switzerland. They were working dogs particularly good at draft work, pulling carts to market.
The Mastiff descends from one of the most ancient types of dogs, the molosser, which probably originated in the mountains of Asia, perhaps in Tibet or northern India. It would most likely have been used to guard flocks from predators in those cold, high passes.