NAMAYCUSH n.
A large North American lake trout (Salvelinus namaycush). It is usually spotted with red, and sometimes weighs over forty pounds. Called also Mackinaw trout, lake trout, lake salmon, salmon trout, togue, and tuladi.
NATIVE a.
Found in nature; not artificial; as native sodium chloride. Native American party. See under American, a. -- Native bear (Zoöl.), the koala. -- Native bread (Bot.), a large underground fungus, of Australia (Mylitta australis), somewhat resembling a truffle, but much larger. -- Native devil. (Zoöl.) Same as Tasmanian…
NIAGARA PERIOD n.
A subdivision or the American Upper Silurian system, embracing the Medina, Clinton, and Niagara epoch. The rocks of the Niagara epoch, mostly limestones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by…