INDEX. 
Ramifications of Metals how probably produced —— igg 
of Copper how to produce — — ■ 193* &c. 
Ratjbane . See Arjenic. 
Rat-tailed Infedi of Mr. de Reaumur «■ ■ ■■ ■ ■ - 39 j 
Refufcitation of Plants what - - - — - - 20B 
Rheum on catching Cold •- - •— 184 
loaded with Salts . . - . . . — ibid. 
S. 
Saccharum Saturni, Sugar or Salt of Lead 
Salts in general what 
114 
——— — - 16 
aft not but when diffoived - —■— 13, 232 
their Ufe and Excellence in the ©economy of Nature 
17, 59, 6i, 213 
fupply Matter and Form to Gems and figured Foffils ifc, 
44» 2i3» z i5 
incorporated with Metals caufe Ramifications 214 
Objection, that their Figures cannot be determined, an- 
fuser ed -—— -- —— 225 
their Solutions how to prepare and preferve — 10, 14 
11 
how to examine by the Microfcope 
SALTS defcribed and examined in this Work are. 
Salt Gem or Rock Salt - - 50, 
of the Sea 
Springs — 
Scarborough 
Cheltenham 
Epfom — 
Polychreftum 
Glauber’s —~ 
©f Tartar — 
vitriolated 
Camomile — 
Coral 
Baulm — 
Fennel —- 
Buckthorn 
Berberry -— 
Cucumber — 
Peruvian Bark 
Liquorice — 
Butcher’s Broom 
11 
54 
— 55 
— 56 
147 
— » 49 
150 
— 152 
■ *53 
*55 
158 
162 
~ 163 
— >65 
— 166 
167 
— 168 
170 
— 171 
172 
1 7 3 
Warm** 
