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Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals. Woodpeckers are eminently arboreal. Darwin.

Of or pertaining to trees; arboreal.

Furnished with an arbor; lined with trees. "An arboreal walk." Pollok.

A small arboreal lizard of the genus Draco, of several species, found in the East Indies and Southern Asia. Five or six of the hind ribs, on each side, are prolonged and covered with weblike skin, forming a sort of wing. These prolongations aid them in making long leaps from tree to tree. Called also flying lizard.…

Any arboreal ape of the genus Hylobates, of which many species and varieties inhabit the East Indies and Southern Asia. They are tailless and without cheek pouches, and have very long arms, adapted for climbing.

A large, arboreal, anthropoid ape of West Africa. It is larger than a man, and is remarkable for its massive skeleton and powerful muscles, which give it enormous strength. In some respects its anatomy, more than that of any other ape, except the chimpanzee, resembles that of man.

Any South American monkey of the genus Mycetes. Many species are known. They are arboreal in their habits, and are noted for the loud, discordant howling in which they indulge at night.

s of the genus Iguana, a genus of large American lizards of the family Iguanidæ. They are arboreal in their habits, usually green in color, and feed chiefly upon fruits.

rk, somewhat angular rings, each generally inclosing one or two dark spots. It is chiefly arboreal in its habits. Called also the American tiger.

m body and very short legs. Its color is grayish brown, varied with a blackish hue. It is arboreal in its habits and feeds mostly on birds.

A large, green, arboreal, orthopterous insect (Cyrtophyllus concavus) of the family Locustidæ, common in the United States. The males have stridulating organs at the bases of the front wings. During the summer and autumn, in the evening, the males make a peculiar, loud, shrill sound, resembling the combination Katy-did…

tralia, New Guinea and the adjacent islands, with some forms in the East Indies. They are arboreal in their habits and feed largely upon the honey of flowers. They belong to Trichoglossus, Loriculus, and several allied genera.

small lemurs of the genus Stenops. They have long, slender limbs and large eyes, and are arboreal in their habits. The slender loris (S. gracilis), of Ceylon, in one of the best known species. [Written also lori.]

A West African arboreal monkey (Cercopithecus cynosurus).

An arboreal anthropoid ape (Simia satyrus), which inhabits Borneo and Sumatra. Often called simply orang. [Written also orang- outan, orang-utan, ourang-utang, and oran-utan.]

to Phalangista, Cuscus, Petaurus, and other genera of the family Phalangistidæ. They are arboreal, and the species of Petaurus are furnished with lateral parachutes. See Flying phalanger, under Flying.

Any arboreal marsupial of the genus Phalangista. The vulpine phalangist (P. vulpina) is the largest species, the full grown male being about two and a half feet long. It has a large bushy tail.

ive of America. They are related to the true porcupines, but have shorter spines, and are arboreal in their habits. The Canada porcupine (Erethizon dorsatus) is a well known species. Porcupine ant-eater (Zoöl.), the echidna. -- Porcupine crab (Zoöl.), a large spiny Japanese crab (Acantholithodes hystrix). -- Porcupin…

An East Indian insectivore (Tupaia ferruginea). It is arboreal in its habits, and has a bushy tail. The fur is soft, and varies from rusty red to maroon and to brownish black.

Any one of several species of arboreal edentates constituting the family Bradypodidæ, and the suborder Tardigrada. They have long exserted limbs and long prehensile claws. Both jaws are furnished with teeth (see Illust. of Edentata), and the ears and tail are rudimentary. They inhabit South and Central America and Mexi…