(Zool.) One of a group of squirrels, of the genus
☞ The species of Pteromys are large, with bushy tails, and inhabit southern Asia and the East Indies; those of Sciuropterus are smaller, with flat tails, and inhabit the northern parts of Europe, Asia, and America. The American species (Sciuropterus volucella) is also called Assapan. The Australian flying squirrels, or flying phalangers, are marsupials. See