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d his heirs were bound to warrant and defend the title, and, in case of eviction by title paramount, to yield other lands of equal value in recompense. This warranty has long singe become obsolete, and its place supplied by personal covenants for title. Among these is the covenant of warranty, which runs with the land,…

Any one of certain lines of a vessel, model, or plan, parallel with the surface of the water at various heights from the keel.

d adapted for swimming. They are often red or red and black in color, and while young are parasites of fresh-water insects and mussels. Called also water tick, and water spider.

degraded amphipod crustaceans belonging to the genus Cyamus, especially C. ceti. They are parasitic on various cetaceans. -- Whale's bone, ivory. [Obs.] -- Whale shark. (Zoöl.) (a) The basking, or liver, shark. (b) A very large harmless shark (Rhinodon typicus) native of the Indian Ocean. It sometimes becomes sixty fe…

A nematode worm (Trichocephalus dispar) often found parasitic in the human intestine. Its body is thickened posteriorly, but is very long and threadlike anteriorly.

Well-twisted yarn spun of long-staple wool which has been combed to lay the fibers parallel, used for carpets, cloth, hosiery, gloves, and the like.

ervous disease by suddenly bending the hand back upon the forearm. -- Wrist drop (Med.), paralysis of the extensor muscles of the hand, affecting the hand so that when an attempt is made to hold it out in line with the forearm with the palm down, the hand drops. It is chiefly due to plumbism. Called also hand drop. -…

(CH3)2, being dimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene. Called also xylol.

ubstances, of which three are derived from metaxylene, two from orthoxylene, and one from paraxylene. They are called the amido xylenes.

Grooves or furrows formed in snow by the action of the wind, and running parallel with the direction of the wind. This formation results from the erosion of transverse waves previously formed.

Parallel lines that are made to appear convergent or divergent by means of oblique intersections.

a structure characterized by the arrangements of color, inclusions, etc., of a crystal in parallel or concentric layers, which usually follow the outline of the crystal, and mark the changes that have taken place during its growth. -- Zonal symmetry. (Biol.) See the Note under Symmetry.

Divided by parallel planes; as, zonate tetraspores, found in certain red algæ.

The portion of the surface of a sphere included between two parallel planes; the portion of a surface of revolution included between two planes perpendicular to the axis. Davies & Peck (Math. Dict.)