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.
Sixteenth century documents and paintings show dogs resembling the Shih Tzu. The Shih Tzu is said to have descended from crossing the Lhasa Apso or Tibetan mountain dog and Pekingese, in the city of Peking in the 17th century.