SCA 



SCO 



oil soap water, tobacco water, and 

 lime are used to destroy them. 



SAW, PRUNING. This is a small 

 saw, set in a long handle, and used 

 to prune trees. 



SAVORY. The summer savory 

 {Salureja horicnsis) is an annual, and 

 propagated by seed; the wiiiler {S. 

 inontaiia) is perennial, and managed 

 in the same way as sage, which it 

 greatly resembles. They are labiate 

 plants. 



SAXIFRAGE. Flowering plants 

 of tiie genus Saxifraga. 



SAXON BLUE. A solution of in- 

 digo in sulphuric acid, used as a dye. 



SCAB. A disease of sheep. 



SCABIOUS. Weeds of the genus 

 Scalriosa, at one time celebrated for 

 curing the itch. 



SCABROUS. Rough, from minute 

 inequalities. 



SCAFFOLDING. The temporary 

 frame-work put up in building. 



SCALDED CREAM. Clotted 

 cream ; cream raised from milk by 

 heating. 



S C A L L I N. A kind of Onion, 

 which see. 



SCALPEL. A small knife, con- 

 venient for dissections or surgical op- 

 erations. 



SCAM.MONY. The gum resin of 

 the CoHvolindus scammonca, an East- 

 ern plant. It closely resembles jalap. 



SCANDENT, SCANDENS. 

 Climbing branches. 



SCANSORIALS, SCANSORES. 

 Climbing birds, as the woodpeckers : 

 they have two toes before and two 

 behind on each foot. 



SCANTLING. " In building, the 

 nieasums of breadth and thickness 

 of a piece of timber or other mate- 

 rial. It is also the name of a piece 

 of timber wliien under five inches 

 square." 



SCAPE. A flower stem or pedun- 

 cle rising from the ground, as in the 

 hyacinth, flag. 



SCAPULA. The shoulder-blade. 



SCAPULARS. The shoulder 

 feathers wliich cover the sides of the 

 back in birds. 



SCAPUS. The stem of a feather. 

 In architecture, a shaft. 



M M M 



SCARAB.EIDANS. A family of 

 lameilicorn beetles. 



SCARCEMENT. A rebate or set 

 back in a wall, or bank of earth. 



SCARFING. The union of two 

 timbers, to answer as one : they are 

 made fast by bolts. 



SCARFSKIN. The epidermis, a 

 delicate covering of the true skin. 



SCARIFICATOR. A cupping in- 

 strument. 



SCARIFIER. An implement be- 

 tween the harrow and cultivator for 

 pulverizing the soil. See Cultivator. 



SCARLET DYE. Prrparation.— 

 For each pound of clotli take 14 

 drachms of cream of tartar; when 

 the water boils and the tartar is all 

 dissolved, pour in 14 drachms of so- 

 lution of tin, and let the whole boil 

 a few minutes : introduce the cloth, 

 boil two hours, let it drain and cool. 



For the Colour Bath. — For each 

 pound of cloth take two drachms of 

 cream of tartar ; when the bath be- 

 gins to boil, add one ounce of fine 

 cochineal powder, stir well with a 

 willow switch, and let it boil for a few 

 minutes ; pour in gradually one ounce 

 of solution of tin, stirring continual- 

 ly. Introduce the prepared cloth and 

 dye as quickly as possible : it will be 

 a beautiful scarlet. In the colour 

 bath, two ounces of solution of tin 

 may be taken, and no cream of tartar. 



SCELIDES. The posterior or low- 

 er extremities. 



SCHAPHOID. Shaped like a lit- 

 tle boat. 



SCHEELES GREEN. Mineral 

 green, arsenite of copper. 



SCHIST. A coarse slate. 



SCIATIC. Relating to the hip 

 joint, as the sciatic nerve. 



SCIRRUS. An indurated gland ; 

 it becomes a cancer when suppura- 

 tion occurs. 



SCIURINES. The squirrel family. 



SCLEROTICA. The white mem- 

 brane of the eve. 



SCOLOPENDR.E. The genus of 

 centi[)edes. 



SCOPIPEDS. A tribe of mellif- 

 erous uisects, some of wbich have 

 the posterior feet furnished with a 



scopa. 



or little tuft of hair. 



685 



