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l relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface. It is a hydrous silicate of calcium and potassium.

s to the larvæ of other Tunicata. It is the type of the order Copelata or Larvalia. See Illustration in Appendix.

The act of directing or referring something to a particular case, to discover or illustrate agreement or disagreement, fitness, or correspondence; as, I make the remark, and leave you to make the application; the application of a theory.

it be of the same harmony; -- generally indicated by a note of smaller size, as in the illustration above. It forms no essential part of the harmony.

One of the classes of Arthropoda. See Illustration in Appendix.

te or usually rose- colored flowers with a delicate fragrance, growing in small axillary clusters, and appearing early in the spring; in New England known as mayflower; -- called also ground laurel. Gray.

primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. See Illust. under Invagination.

A group of Arachnida. See Illust. in Appendix.

A siliceous variety of calcite, or carbonate of lime, having a silvery-white, pearly luster, and a waving or curved lamellar structure.

Sulphide of silver; -- also called vitreous silver, or silver glance. It has a metallic luster, a lead-gray color, and is sectile like lead.

An herbaceous grasslike plant (Triglochin palustre, and other species) with pods opening so as to suggest barbed arrowheads.

chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356º Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are tw…

A mineral of a tin-white color and metallic luster, containing arsenic, sulphur, and iron; -- also called arsenical pyrites and mispickel.

For instance; by way of example; thus; -- used to introduce illustrative phrases, sentences, or citations.

A genus of trilobites found in the Lower Silurian formation. See Illust. in Append.

structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix.

One of the spores contained in the asci of lichens and fungi. [See Illust. of Ascus.]

Jews' pitch, or compact native bitumen. It is brittle, of a black or brown color and high luster on a surface of fracture; it melts and burns when heated, leaving no residue. It occurs on the surface and shores of the Dead Sea, which is therefore called Asphaltites, or the Asphaltic Lake. It is found also in many parts…

A small cluster of stars.

g to, coming from, or resembling, the stars; starry; starlike. Shines only with an astral luster. I. Taylor. Some astral forms I must invoke by prayer. Dryden. Astral lamp, an Argand lamp so constructed that no shadow is cast upon the table by the flattened ring-shaped reservoir in which the oil is contained. -- Astra…