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Troubled; dark; gloomy. [Obs.] "With full trouble cheer." Chaucer.

The Mexican pocket gopher (Geomys Mexicanus). It resembles the common pocket gopher of the Western United States, but is larger. Called also tugan, and tuza.

A burrowing South American rodent (Ctenomys Braziliensis). It has small eyes and ears and a short tail. It resembles the pocket gopher in size, form, and habits, but is more nearly allied to the porcupines. [Written also tucu-tuco.]

under Flea-beetle. -- Turnip fly. (Zoöl.) (a) The turnip flea. (b) A two-winged fly (Anthomyia radicum) whose larvæ live in the turnip root.

Of or pertaining to Tycho Brahe, or his system of astronomy.

A combining form used in anatomy to indicate connection with, or relation to, the tympanum; as in tympanohyal, tympano-Eustachian.

ng only one adductor muscle, and one muscular impression on each valve, as the oyster; monomyarian.

One of the nine Muses, daughter of Zeus by Mnemosyne, and patron of astronomy.

Any species of large West Indian rodents of the genus Capromys, or Utia. In general appearance and habits they resemble rats, but they are as large as rabbits.

See Note under Value, 2. Value in use is utility, and nothing else, and in political economy should be called by that name and no other. F. A. Walker.

The act or operation of opening a vein for letting blood; bloodletting; phlebotomy.

A combining form used in anatomy to indicate connection with, or relation to, the abdomen; also, connection with, relation to, or direction toward, the ventral side; as, ventrolateral; ventro- inguinal.

A combining form used in anatomy to indicate connection with, or relation to, a vertebra, vertebræ, or vertebral column; as in vertebrocostal.

A combining form used in anatomy to indicate connection with, or relation to, the bla; as in vesicoprostatic, vesicovaginal.

oriousness; worth. I made virtue of necessity. Chaucer. In the Greek poets, . . . the economy of poems is better observed than in Terence, who thought the sole grace and virtue of their fable the sticking in of sentences. B. Jonson.

Desolate; devastated; stripped; bare; hence, dreary; dismal; gloomy; cheerless. The dismal situation waste and wild. Milton. His heart became appalled as he gazed forward into the waste darkness of futurity. Sir W. Scott.

Any one of several species of mice belonging to the genus Hydromys, native of Australia and Tasmania. Their hind legs are strong and their toes partially webbed. They live on the borders of streams, and swim well. They are remarkable as being the only rodents found in Australia.

The hoary, or northern, marmot (Arctomys pruinosus).

.), a conical, scaly gall produced on willows by the larva of a small dipterous fly (Cecidomyia strobiloides). -- Willow grouse (Zoöl.), the white ptarmigan. See ptarmigan. -- Willow lark (Zoöl.), the sedge warbler. [Prov. Eng.] -- Willow ptarmigan (Zoöl.) (a) The European reed bunting, or black-headed bunting. See u…

Any one of three species of Australian burrowing marsupials of the genus Phascolomys, especially the common species (P. ursinus). They are nocturnal in their habits, and feed mostly on roots.