SEP 



654 



SEP 



late Professor of Moral Philosophy at 

 Edinburgh, has added a sixth, muscular 

 sense, by which the individual takes 

 cognizance of the action of 'his own mus- 

 cles. This appears, however, to be re- 

 ferable to the sense of touch. Some 

 powers of the mind, as imagination, the 

 passions, &c., have been termed internal 

 senses. 



SEXSIBIL'ITX. That faculty of living 

 parts by which they are capable of re- 

 ceiving impressions, and increase, dimi- 

 iiiah, alter, and suspend their actions. 

 Sensibility is usually divided into animal 

 sensibility, which gives rise to sensations, 

 and organic sensibility, which calls into 

 action the organic contractility. 



SEN'SITIVE PLANT. The Mimosa sensi- 

 tive.. A biennial plant of Brazil, &c. The 

 leaves shrink from the touch, and fall on 

 being slightly touched. 



SENSO'RIUM. The Brain. The common 

 centre at which all the impressions of 

 the senses are received. 



SEN'SDALISM. In philosophy, the theory 

 which resolves all our mental acts into 

 various modifications of mere sensation. 



SEN'TENCE, Lat. sententia, from sentio, 

 to think. In law, a judgment pronounced 

 by a court or judge upon a criminal. 

 Strictly, sentence is only used for the 

 declaration of judgment against one con- 

 victed of a crime. In ctrtJ cases, the 

 decision of the court is called a judg- 

 ment. 



SENTICO'S.E. The name of an order of 

 plants in the Natural Method of Linn, 

 consisting of such as are thorny (senti- 

 cosus), or resemble the bramble, rose- 

 bush, &c. 



SEJJ'TINEL. Sentry. Fr. sentinelle, from 

 Lat. sentio, to perceive. A soldier set out 

 to watch and guard a place against sur- 

 prise, by giving notice of approach of 

 danger. 



SEM'ZA, (It.). In music, a prefix meaning 

 without ; as senza stromenti, without 

 instruments. 



SE'PAL. A word invented by botanists 

 to distinguish the parts of the calyx from 

 those of the corolla. 



SEPARATISTS. A religious sect which 

 originated in Dublin in 1803. 



SEPARATOR?, Lat. separatorium, from 

 teparo. 1. A chemical vessel for sepa- 

 rating essential parts of liquids. 2. A 



surgical instrument for separating the 

 pericranium from the skull. 



SE'PIA. 1. The Cuttle-fish. A genus of 

 cephalopodous molluscs, comprehending, 

 according to Linn6, the Argonauta, Lin., 

 and the Sepia, Lam. This last is the 

 cuttle-fish, properly so called. It is dis- 

 tinguished by two long arms, and a fleshy 

 fin, extending along the whole length of 

 each side of the sac. The shell is oval, 

 toiuk, convex, and composed of numerous 



and parallel calcareous lamina;, united 

 by thousands of little hollow column* 

 running perpendicularly from one to the 

 other. This structure renders it friable, 

 and causes it to be employed for polishing 



various sorts of work. 2. The ink of 



the cuttle-fish. This is a black juice, 

 secreted by certain glands of the fish, and 

 is ejected to darken the waters when it 

 is pursued. One part of it is capable of 

 rendering 1000 parts of water nearly 

 opaque. It is used as a pigment. 



SE'PIUM. The internal shell of the 

 cuttle-fish. 



SEPI'A.RI.X, Lat. from tepes, a hedge. 

 The name of an order of plants in Lin- 

 naeus's NaflUral Method, consisting of 

 woody plants, which have a hedge-like 

 appearance, with flowers, mostly thynius 



r panicle. 

 SEPOY'S. 



The name given in the East 

 Indies to the native infantry in the 

 British service. They are about 200,000 

 in number ? 



SEPT. A clan: used of the races of 

 families in Ireland. 



SEP'TA. In cwichology, &c., plural of 

 septum (q. v.). 



SEPTA'RIA, Lat. from septa, partitions. 

 Lenticular concretions of ferruginous 

 clay, anciently named Helmont's quoits 

 (ludi Helmontii). They are intersected 

 by veins of calc-spar, and when calcined 

 and ground to powder form the excellent 

 hydraulic cement called Parker's cement. 



SEPTEM'BRISTS. The name given to the 

 agents in the dreadful massacre, during 

 the French Revolution, that took place 

 in Paris on the 2nd September, 1792. 



SEP'TIC, Gr. g-r^Tixo^y from cr-f,-x'j>, to 



putrefy. 1. Relating to putrefaction. 



2. A substance having the power to pro- 

 mote or produce putrefaction in bodies. 



SEPTCAGE/utA, Lat. septuagesimus, se- 

 ventieth. The third Sunday before Lent, 

 or before Quadragesima Sunday, supposed 

 to be so called from its being about 70 

 days before Easter. 



SEP'TUAGINT, Lat. septuaginta, seventy. 

 A Green version of the Old Testament, so 

 called because it was the work of 70 

 (rather 72) translators. This translation 

 is supposed to have been made in the 

 reign, and by the order of Ptolemy Phila- 

 delphus, king of Egypt, about 270 years 

 before Christ. 



SEP'TUM, Lat. a partition, from septo,to 

 separate. Applied in anatomy and natu- 

 ral history. 1. The S. auris is the drum 

 of the ear. The S. cerebelli is a process of- 

 the dura mater, dividing the cerebellum 

 perpendicularly into two parts. The S. 

 cordis is a partition between the two ven- 

 tricles of the heart. The S. Incidum is the 

 thin and tender portion of the brain, di- 

 viding the lateral ventricles from each 

 other. The S. narium is the partition be- 



