( 21 



Page 



Scarabsus, chafer, n. 2 



Scheele, . 136, 158 

 Scheifer fpar, . 1 05 



Schiller fpar, • 115 



Schiftofe hornblende, 1 1 5 



mica, . 134 



Schiftofe talc, . 109 

 Schorl, • - . 120 



Schorlite, . . 120 

 Scoriae, . 1 74 



Sea cow, . 191 



Sea eggs, . 19, 193 



. . . tow], how to prefer ve, 20 

 . . - weeds to be examined, 192 

 Seafons, fuccelhon of, 1 85 

 Sedative fait, . 96 



Seeds to prefcrve and transport, 

 xv. 23, 26 



when to be fown, 27 



Selenite, . . 106 



» in water, 62 



Semi-opal, . 122 



Sepia, ; . 193 



Sepulchral rites, . 1 79 

 Serpentine, . . no 



with hornblende, 1 2 9 



I porphyry, 13J 



Shells to defcribe, xiv 

 Ship-building, . 183 

 Sideio-calcite, . 104 

 Sidneia, . . 128 



Sidneian earth, 103,128 

 Sienite, . 134 



Silex, . . 103,116 

 Siliceous breccia, 135 



earth, 103, 134 



iron ftone, 147 



limeftone, 128 



porphyry, 135 



fpar, . 126 



fandftone, 13 c 



. fchiftus, 123 



argillite, 132 



1 ) 



Page 



Siliceous fchiftus, with lime- 

 ftone, 132 

 mullen, 133 



-.TV - °P a1, J 33 



Silici-murite, . 109 



Siliciferous argillite, 130 



potftone, 129 



trap, 131 



Silk grey in China, 192 



Silpha, . . n. 2 



Silver, . 136, 1 38 



arfenical, 140 



brittle, vitreous, 140 



horn, . 140 



native, . 140 



red ere of, 14.0 



vitreons, . 140 



white ore of, 140 



Slaggs, . . 174 



Smalts, . . 153 



Smaragdite, . jsi§ 



Soda, . . 46 



vicriolata, . 4S 



Solid air of Hali, 8 5 



Soya, . , 184. 



Snakes to defcribe, xii. 21 



poifon of, 1 86 



Sparry fluor, . 105 



Spathofe lead, . 141 



tin ore, . 148 



Sphex, . . n. 6 



Sphinx, . n. 4 



Spiritus Sylveflris, 45 



Sponges to collect, 39, 193 



Steatites, . . 110 



with argil j 129 



Strawberry feeds to preferve, 2£ 



Stream tin, . 148 



Strontian earth, 103, 107 



Strontionite, . 107 



Sublimed white oxyde of arfe- 



nic, . . 78 



Sulphate of alumine, 69 



2 I Sulphate 



