3CH 



643 



SGI 



fish. The S. lab*-us, Lin., was asserted by 

 tne ancients to feed on herbs, and chew 

 the cud, and by Gessner to sleep. 



SCELOTY'RBE (Lat.), from erz&os leg, 

 ryff>j, disturbance. 1. A disease described 

 by* Galen as a species of atony, or para- 

 lysis. 2. Sauvages makes scelotyrbe 



an order of diseases, including chorea, 

 shaking palsy, and three other species. 



SCENE, Lat. scena, from rwvii- In the 

 drama, a division of an act. A play is di- 

 Tided into acts, and acts into scenes: the 

 scene including all that passes between the 

 same persons in the same place. 



ScExoG'RAPHY,from o-xrw, a scene, and 

 yfctjitu, to describe. The art of painting 

 on several planes, so that all the different 

 surfaces shall only represent one design, 

 and have the same effect on the eye as if 

 delineated upon one plane. 



SCEP'TICS, Gr. FXIXTIXOI, doubters. In 

 philosophy, another name for the Pyrrho- 

 nists. In theology, disbelievers in the 

 divine origin of Christianity ; doubters of 

 the truth of revelation. 



SCUED'ULE, Lat. schedula, from scheda, a 

 leaf of paper. In law, a scroll of paper or 

 parchment, containing some writing, as 

 an inventory of goods, &c., annexed to a 

 document, as a will, lease, or other deed, 

 and more especially to a statement of 

 bankrupts' effects. 



SCHEELE'S GREEN. Arsenite of copper, 

 used as a pigment, and applied by double 

 decomposition to cloth, &c. It is highly 

 poisonous. 



SCHELHNO,THE PHILOSOPHY OF, teaches 

 the identity or indifference of the ideal 

 and real. 



SCBENE, Lat. schcetios, Gr. <r^o<voj. An 

 Egyptian measure of length, equal to 60 

 stadia, or about 7J miles. 



SCHE'SIS, Gr. from <r%uo, to hold. Habi- 

 tude : general state or disposition of the 

 body or mind, or of one thing with re- 

 gard to other things. 



SCHIL'LER-SPAR, Ger. schillern, glisten- 

 ing. A genus of spars comprising four 

 varieties : common schiller-spar, hemi- 

 prismatic schiller-spar (brownite), pris- 

 matoidal schiller-spar (hypersthene) , and 

 prismatic schiller-spar (anthophyllite). 

 Lustre, metallic, pearly. 



SCHI'NUS, <r%iin>s, the Greek name of the 

 mastich tree (Pistacia lentiscus). A genus 

 of trees and shrubs. Dicecia Decandria. 

 South America. The 5. mttUi yields the 

 Peruvian mastich, and a sort of wine is 

 made of its berries. 



SCHIS'MA, Gr. g-^ig-fMt- In music, an 

 Interval equal to half a comma. 



SCHIST, Lat. schistus, from tr^tty, to 

 tplit. Slate : a rock of a fissile character. 



SCHIS'TOSB. Of the nature of schist: 

 slaty ; fissile. 



SCHIS'TOSE MICA. Mica slate. 



SCHNEIDE'RIAN MEMBRANE. The lining 

 membrane of the nose, first described by 

 Schneider. 



ScHffi'Nus. The Bog-rush: a genus of 

 perennial plants. Triandria Monogynia. 

 Name from (r^otves, a rush. The species 

 are peculiar to Europe : three are British 

 plants. 



SCHO'LIASTS. The old.critics who wrote 

 annotations on the margin of the manu- 

 scripts of classical authors. 



SCHO'LIUM (Lat.). In geometry, an ex- 

 planatory observation. 



SCHOOL, Lat. schola, from 0-^X15, leisure. 

 1. A place of education, as a university, 



college, academy, &c. 2. A system of 



doctrine taught by particular teachers. 

 Thus we say the Socratic school, the Pla- 

 tonic school, the Peripatetic or Ionic 

 school, &c., by which we understand all 

 those who adopt and adhere to a parti- 

 cular system of opinions. There are also 

 many schools of painting, meaning thereby 

 the styles practised by particular masters, 

 and imitated by succeeding painters. 



SCHOO'NER, Ger. schoner. A vessel with 

 two masts, whose main-sail and fore-sail 

 are suspended by gaffs, like a sloop's 

 main-sail, and stretched below the booms. 



SCHORL. A dark-coloured variety of 

 tourmaline, named from Schorlaw, a. town 

 in Saxony, near which it was first found. 

 It occurs imbedded in granite, gneiss, &c., 

 in Scotland and Cornwall. It is harder 

 than hornblende, but less hard than 

 quartz. 



SCHOR'LITE. A mineral, the schorlous 

 beryll of Jameson. It is of a straw colour : 

 occurs in quartz and mica at Alenburg in 

 Saxony. 



SCHWEIN'FURTH GREKN. A beautiful 

 and velvety green pigment, which may be 

 procured (not however of the best qua- 

 lity), by digesting Scheele's green in acetic 

 acid. It is poisonous, and takes its name 

 from its having been discovered, in 1814, 

 by MM. Rusz and Sattler, at Schwein- 

 furth. 



SCI.S?IA. A genus of acanthopterygious 

 fishes, type of the family Scienides, Cuv. 

 The absence of palatine teeth distinguishes 

 the sciaenoe from the perches. 



SCIAG'RAPHT, from <rxict, a shadow, and 

 ?%$-/!, description. 1. In astronomy, the 

 art of finding the hour by the shadows of 

 objects caused by the sun or moon: the 

 art of dialling. 2. A section of a build- 

 ing, exhibiting its internal structure. 



SCIAT'IC. Appertaining to the ischium. 



SCIAT'ICA. Two very different diseases 

 have been confounded under this name 

 rheumatic gout of the hip-joint, and 

 neuralgia of the sacro-sciatic nerve. 



SCI'ENCE, Lat. scientia, from tcio, to 

 know. Knowledge reduced to system. 



2 T 2 



