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A genus of American Cretaceous pterodactyls destitute of teeth. Several species are known, some of which had an expanse of wings of twenty feet or more.

A group of pterodactyls destitute of teeth, as in the genus Pteranodon.

A pterodactyl.

An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also Pterodactyli, and Ornithosauria.

he forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.

A genus of pterodactyls in which the elongated tail supported a leathery expansion at the tip.

e perfume. -- Rose beetle. (Zoöl.) (a) A small yellowish or buff longlegged beetle (Macrodactylus subspinosus), which eats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug, and rose chafer. (b) The European chafer. -- Rose bug. (Zoöl.) same as…

A division of Artiodactyla having four stomachs. This division includes the camels, deer, antelopes, goats, sheep, neat cattle, and allies.

which the first, fourth, and fifth are trochees, the second is a spondee, and the third a dactyl.

A kind of pasture grass (Cynodon Dactylon). See Bermuda grass: also Illustration in Appendix.

A gibbon (Hylobates syndactylus), native of Sumatra. It has the second and third toes partially united by a web.

scales of a snake's head. Dr. Prior. Snake's-head iris (Bot.), an iridaceous plant (Hermodactylus tuberosus) of the Mediterranean region. The flowers slightly resemble a serpent's open mouth.

marked by spondees; as, a spondaic hexameter, i. e., one which has a spondee instead of a dactyl in the fifth foot.

A small ant-eater (Tamandua tetradactyla) native of the tropical parts of South America.

A harmless lizard of the Gecko family (Platydactylus Mauritianicus) found in Southern Europe and adjacent countries, especially among old walls and ruins.

sock caterpillar. See Orgyia. Tussock grass. (Bot.) (a) A tall, strong grass of the genus Dactylis (D. cæspitosa), valuable for fodder, introduced into Scotland from the Falkland Islands. (b) A tufted grass (Aira cæspitosa). (c) Any kind of sedge (Carex) which forms dense tufts in a wet meadow or boggy place. -- Tusso…

Employing two hangs; as, the two-hand alphabet. See Dactylology.

The two-toed sloth (Cholopus didactylus), native of South America. It is about two feet long. Its color is a uniform grayish brown, sometimes with a reddish tint.

The unciform bone. See Illust. of Perissodactyla.

An extensive group of mammals including all those that have hoofs. It comprises the Artiodactyla and Perissodactyla.