• V 
INDEX. 
A. 
a C ID (volatile Spirit) what 
ft its Effeds — - 
AStions of Animals, an expreflive Language — 
Alum examined — — — — — — 
its Configurations when excited by Heat 
its Cryfials when at reft — <— —• - 
produces Comet-like Figures —- — — 
how to preferve —- — — — —• — 
how produced — — — ■— •— <— 
Earth from Africa -— — —- 
Amber (Salt of) examined — — — — — 
its Generation uncertain ~ -— — 
where found — — — — —. 
Queries concerning it — —• — 
Infeas how fuppofed to get into it —. 
Ammoniac (Salt) defcribed — — — — - 
examined by the Microfcope — ~ 
renders Water cold -— 
Anguillee, vid. Eels, 
Animalcules, fmalleft feen in Water — *— — 
their wonderful Machinery — — 
with Shells and Wheels — —- — 
with a Probofcis ~ — — — 
Antimony (Flowers of) defcribed and examined - 
the Bafts of Nofir urns t —- *—- — 
its Operation defcribed — —- 
Andmonial Cup and perpetual Pill — 
Arbor Dianes, or Silver Tree — — —+ ,— 
Mart is, or Iron Tree — —- — 
Veneris, or Copper Tree — 
Arfenic, produced from Cobalt — — — — 
not eafily foluble —- — — — 
its Cryftals — —• — — — — 
a deadly Poifon, its Symptoms — — 
apd Remedies ~ 
70 
7 *> 75 
» 421 
97 
4 > 97 
4, 102 
“ 99 
- 100 
- 104 
ib . 
- 138 
- *39 
~ 140 
-- 148 
*45 
- 109 
110 
- 112 
- 231 
- 229 
- 295 
- 217 
- 121 
- 122 
124 
- 125 
- 193 
' 194 
~ I 9 S 
- 128 
- 129 
- 130 
- 136 
"i 131 
Qafe§ 
5 
