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ame attribute can not at the same time be affirmed and and denied of the same subject. It develops itself in three specific forms which have been called the "Three Logical Axioms." First. "A is A." Second, "A is not Not-A" Third, "Everything is either A or Not-A."

from the numerous seams of hornstone which characterize the later part of the period, as developed in the State of New York.

be regarded as the very latest class of prehistoric strongholds, reaching their greatest development in early historic times, and surviving through the Middle Ages. See also Lake dwellings, under Lake. Encyc. Brit.

ugh and stridulous, difficult breathing; esp., such an affection when associated with the development of a false membrane in the air passages (also called membranous croup). See False croup, under False, and Diphtheria.

re. Tylor. Culture fluid, a fluid in which the germs of microscopic organisms are made to develop, either for purposes of study or as a means of modifying their virulence.

Established or accepted religious rites or usages of worship; state of religious development. Cf.Cult, 2.

or to that early embroidery on linen and the like, from which the manufacture of lace was developed.

c without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavaties or in the substance of an organ.

The nucleus of a cell; the germinal or active spot of a cellule, through or in which cell development takes place.

Development of cells in animal and vegetable organisms. See Gemmation, Budding, Karyokinesis; also Cell development, under Cell.

Of or pertaining to cytogenesis or cell development.

Cell production or development; cytogenesis.

The fertilized egg cell or parent cell, from the development of which the child or other organism is formed. Hæckel.

odine, or iodine and bromine, on which, after exposure in the camera, the latent image is developed by the vapor of mercury.

etter; herpetic. Dartroud diathesis, A morbid condition of the system predisposing to the development of certain skin deseases, such as eczema, psoriasis, and pityriasis. Also called rheumic diathesis, and hipretism. Piffard.

ing to Darwin; as, the Darwinian theory, a theory of the manner and cause of the supposed development of living things from certain original forms or elements.

Diminution or reduction of strength, efficacy, or value; degeneration; deterioration. The development and degradation of the alphabetic forms can be traced. I. Taylor (The Alphabet).

Having the typical characters or organs in a partially developed condition, or lacking certain parts. Some families of plants are degraded dicotyledons. Dana.

tion of the novelist must be characterized, to speak craniologically, by an extraordinary development of the passion for delitescency. Sir W. Scott.

The division of Cetacea in which the teeth are developed, including the sperm whale, dolphins, etc.