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A comblike structure on the metatarsus of the hind legs of certain spiders (Ciniflonidæ), used to curl certain fibers in the construction of their webs.

A fossil plant of the coal formation, having the general form of plants of the modern Equiseta (the Horsetail or Scouring Rush family) but sometimes attaining the height of trees, and having the stem more or less woody within. See Acrogen, and Asterophyllite.

Suffering calamity; wretched; miserable. [Obs.] Ten thousands of calamitous persons. South.

A state or time of distress or misfortune; misery. The deliberations of calamity are rarely wise. Burke. Where'er I came I brought calamity. Tennyson.

A species of Acorus (A. calamus), commonly called calamus, or sweet flag. The root has a pungent, aromatic taste, and is used in medicine as a stomachic; the leaves have an aromatic odor, and were formerly used instead of rushes to strew on floors.

(Mus.) Gradually diminishing in rapidity and loudness.

le front, so that it can be used as either an open or a close carriage. The baroness in a calash capable of holding herself, her two children, and her servants. W. Irving.

ound in 1886 in a Tertiary auriferous gravel deposit, lying below a bed of black lava, in Calaveras County, California. It is regarded as very doubtful whether the skull really belonged to the deposit in which it was found. If it did, it indicates an unprecedented antiquity for human beings of an advanced type.…

ronze-yellow massive mineral with metallic luster; a telluride of gold; -- first found in Calaveras County California.

See under Calcite.

Same as Calcite.

See under Calcite.

Pertaining to the calcaneum; as, calcaneal arteries.

One of the bones of the tarsus which in man, forms the great bone of the heel; -- called also fibulare.

A kind of oven, or reverberatory furnace, used for the calcination of sand and potash, and converting them into frit. Ure.

Having a spur, as the flower of the toadflax and larkspur; spurred. Gray.

consisting of, or containing, calcareous and argillaceous earths.

Consisting of, or containing, lime and bitumen. Lyell.

Consisting of, or containing calcareous and siliceous earths.

Partaking of the nature ofcalcite or calcium carbonate; consisting of, or containg, calcium carbonate or carbonate of lime. Clcareous spar. See as Calcite.