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, triangular stems. -- Prickly rat (Zoöl.), any one of several species of South American burrowing rodents belonging to Ctenomys and allied genera. The hair is usually intermingled with sharp spines.

. Pug-nose eel (Zoöl.), a deep-water marine eel (Simenchelys parasiticus) which sometimes burrows into the flesh of the halibut.

e whole plant. Radish fly (Zoöl.), a small two-winged fly (Anthomyia raphani) whose larvæ burrow in radishes. It resembles the onion fly. -- Rat-tailed radish (Bot.), an herb (Raphanus caudatus) having a long, slender pod, which is sometimes eaten. -- Wild radish (Bot.), the jointed charlock.

. of Regma. -- Sand bug (Zoöl.), an American anomuran crustacean (Hippa talpoidea) which burrows in sandy seabeaches. It is often used as bait by fishermen. See Illust. under Anomura. -- Sand canal (Zoöl.), a tubular vessel having a calcareous coating, and connecting the oral ambulacral ring with the madreporic tuber…

Any one of numerous species of annelids which burrow in the sand of the seashore.

ring, or hollowing out, rocks; -- said of certain mollusks which live in holes which they burrow in rocks. See Illust. of Lithodomus.

halate Mollusca having a tubular shell open at both ends, a pointed or spadelike foot for burrowing, and many long, slender, prehensile oral tentacles. It includes Dentalium, or the tooth shells, and other similar shells. Called also Prosopocephala, and Solenoconcha.

A tubular structure found in Potsdam sandstone, and believed to be the fossil burrow of a marine worm.

To dig or excavate with the claws; as, some animals scratch holes, in which they burrow. To scratch a ticket, to cancel one or more names of candidates on a party ballot; to refuse to vote the party ticket in its entirety. [U.S.]

A peculiar gregarious burrowing rodent (Haplodon rufus), native of the coast region of the Northwestern United States. It somewhat resembles a muskrat or marmot, but has only a rudimentary tail. Its head is broad, its eyes are small and its fur is brownish above, gray beneath. It constitutes the family Haplodontidæ. Ca…

. cornuta, or tadorna), which somewhat resembles a goose in form and habit, but breeds in burrows.

Any species of small burrowing snakes of the family Uropeltidæ, native of Ceylon and Southern Asia. They have a small mouth which can not be dilated.

Any long, slender, worm-shaped bivalve mollusk of Teredo and allied genera. The shipworms burrow in wood, and are destructive to wooden ships, piles of wharves, etc. See Teredo.

oq.] -- Shovelspur (Zoöl.), a flat, horny process on the tarsus of some toads, -- used in burrowing. -- Steam shovel, a machine with a scoop or scoops, operated by a steam engine, for excavating earth, as in making railway cuttings.

A burrowing rodent (Spalax typhlus), native of Russia and Asia Minor. It has the general appearance of a mole, and is destitute of eyes. Called also mole rat.

urpose of annoying or driving out; -- often with out; as, to smoke a woodchuck out of his burrow.

Any species of burrowing toads of the genus Scaphiopus, esp. S. Holbrookii, of the Eastern United States; -- called also spade toad.

gills, when present, mostly arranged along the sides of the body. They generally live in burrows or tubes.

ny one of numerous stomapod crustaceans of the genus Squilla and allied genera. They make burrows in mud or beneath stones on the seashore. Called also mantis shrimp. See Illust. under Stomapoda.

nd strong hind legs. They are commonly arboreal in their habits, but many species live in burrows.