Mamaroneck
town in Westchester co., N. Y., on Long Island Sound, 20 miles from New York City. Takes in Larchmont, and many New York business men have homes there. Has clothing and rubber goods factories, but chiefly noted as resort for bathing and yachting.
Pop. (1910, including Larchmont) 7,657; (1920) 6,571.
MAMMALIA (-mālyä), in zoölogy, mammals, the highest class of the vertebrate sub-kingdom. The individuals are characterized by the possession of mammæ (teats), enabling them to suckle their young. The class is sometimes popularly MAMMOTH CAVE MAMMARY GLAND. See BREAST, FEMALE.