USED IN NATURAL HISTORY. 



137 



SO'LEW. fr. gr. solen, a tube. A ge- 

 nus of acephalous mollusks. (p. 

 86, Book v). 



SOLFATA'HA. It. A volcanic vent 

 emitting sulphur and sulphurous 

 compounds, (p. 115, Book viii). 



SOLIPKDE. fr. lat. solidus, solid ; pes, 

 a foot. The term is applied to 

 those animals that have but one 

 hoof on each foot, as the horse. 



SMMA. It. Certain volcanic crests 

 about Mount Vesuvius, (p. 103, 

 Book viii). 



SOMATK'IUA. Systematic name of 

 the eider. 



SOMNI'FERUM. fr. lat. somnus, sleep; 

 fero, I bear. Sleep-inducing. Spe- 

 cific name of a poppy. 



SOREDI'FEROUS. Bearing soredia. 



SORKX. Lat. A shrew, or field-rat. 



SORI. Soredia. The patches of fruc- 

 tification on the back of the fronds 

 of ferns. 



SO'ROSK. 7 fr. gr. soros, a heap. A 



'ROSE. ~) fr. gr. 

 RO'SIS. 3 forn 



SORO'SIS. 5 form of fruit consisting 

 of a juicy spike or raceme, hav- 

 ing all its ovaria and floral enve- 

 lopes cohering into a single mass, 

 as the pine-apple, mulberry, &c. 



SO'RUS. fr. gr. soros, a heap. The 

 botanical term for each cluster 

 of sporuliferous thecEe developed 

 on the under surface of the fronds 

 of ferns. 



SPA'DIX. A form of inflorescence 

 in which the flowers are arranged 

 around a fleshy rachis, and en- 

 closed within a kind of bract, 

 called a spathe, as in palms. 



SPALAX. The name of a species of 

 rodentia. 



SPAR. (Ger. Spath.^) Applied to 

 certain crystallized mineral sub- 

 stances, which easily break into 

 cubic, prismatic, or oilier forms. 



SPAR'RY. Of the nature of spar. 



SPARSE. fr. lat. sparsus, scattered. 



SPAROIUES. fr. lat. sparus, a kind of 

 fish, and Gr. eitfas, resemblance. 

 Systematic name of a family of 

 fishes. 



SPA'HTIUM. Lat. Broom. 



12* 



3H2 



SPA'RUS. Lat. Name of a kind of 

 fish ; a dart. 



SPATA'NGUS. fr. gr. spataggos, a spe- 

 cies of echinus. A genus of sea- 

 urchins, having the mouth situated 

 laterally, and but four rows of 

 pores. 



SPATIIA. A broad sheathing leaf, 

 enclosing flowers arranged upon 

 a spadix. 



SPATHA'CEOUS. Furnished with a 

 spatha. 



SPA'THE. Gr. a ladle. A form of 

 involucre. A sheathing calyx 

 opening lengthwise on one side, 

 and consisting of one or more 

 valves, as in the oniun. 



SPA'THULATE. ) fr. lat. aputhula, a 



SPA'TULATE. sort of slice or 

 broad knife. Rounded and broad 

 at one end, and becoming narrow 

 like a battledore or spatula. A 

 form of leaf. (Jig. 44, p. 40, Book 

 vii). 



SPATULA'RIA. Systematic name of 

 a kind of sturgeon. 



SPE'CIES. A kind ; a subdivision 

 of genus. Extinct species is a 

 term applied to those kinds of 

 organized beings, whether plants 

 or animals, which are not fount. 1 

 living upon the face of the earth. 



SPECIFC. Relating or belonging to 

 species. 



SPECIFIC WEIGHT, or SPECIFIC GRA- 

 VITY. The relative weight of 

 one body with that of another of 

 equal volume. 



SPECIO'SA. } Lat. Handsome. A 



SPECIO'SUM:. > word used as a spe- 



SpEcio'srs. ) cific name. 



SPECTA'BILIS. Lat. Visible, re- 

 markable, notable. 



SPE'CULAR. fr. lat. speculum, a look- 

 ing-glass. Applied to minerals 

 which have a smooth, brilliant 

 surface, which reflects light. Spe- 

 cular iron is a kind of iron ore of 

 granular structure, and metallic 

 lustre, sometimes shining. 



SPERMATOCTSTI'DIUM. fr. gr. sper~ 

 ma, a seed ; kustis, a bladder In 



