African musical instruments. 1  Membranophones (Drums):cylindrical, semi-cylindrical, barrel, hourglass, pressure, goblet, kettle, clay-pot, Djembe, West Africa. 2  Chordophones (Stringed instruments):harps (koras), musical bows, fiddles, lyres, zithers, lutes.
Sign marking the elevation of the Raton Pass tunnel. Raton RatÃ³n (pass 7834 feet or 2388 meters) elevation is a mountain pass on The Santa Fe trail along The-Colorado New mexico border in The United. states
The Norway rat (Rattus norvegicus, Fig. 1) is a stocky burrowing rodent, unintentionally introduced into North America by settlers who arrived on ships from Europe. Also called the brown rat, house rat, barn rat, sewer rat, gray rat, or wharf rat, it is a slightly larger animal than the roof rat (Fig. 2).Adult Norway rats weigh an average of 1 pound (454 g). Their fur is coarse and usually brownish or reddish gray above and whitish gray on the belly.he presence of rats can be determined by a number of signs described below: Droppings may be found along runways, in feeding areas, and near shelter. They may be as large as 3/4 inch (2 cm) long and 1/4 inch (0.6 cm) in diameter. Fresh droppings are soft in texture.