A General Index of the Ph 
main's Globe, n. 139. p. 988. 
Geometry. See Maps. Mathe- 
thematical Paradoxes. See Pa- 
radoxes. Of the Earth's Mo- 
tion. See Aftronomy and Pa- 
ralax. The Florentine Problem 
- of the Qoadrable Arched Roof, 
n. 196. p. 5-84. The Solution 
* of three Chorographical Pro- 
blems, n. 177. p. 1231. Solid 
" Problems. See Solid. 
Medails. See Coins and Books. 
Medicina, See Difeafes and Books. 
-Memory the ftrength of ic when 
applied with due attention, n. 
178. p. 1269. 
Mercurial Standard. See Barome- 
ter. 
Mercurim in fole. See Planets. 
MefaraicVeiLek, n. 15-3. p. 368. 
Metals. The Art of Refining 
thern, n.142, p. 1046. Why 
Metals fwim in corroding Men- 
ftrua, n. 181. p. 88. Mercury 
an Enemy to the Lungs, n.192. 
p. 486. Hydroftatical Exami- 
nation of feveral Metals. See 
, Hydroftaticks, Gold its thick- 
nefs upon Gilt Wyar, n. 194. 
p. 5*40. Gold how Refined wkh 
Antimony, n. 138. p. 95*3. Iron* 
works , and Ore in the Foreft cf 
Dean defcribed, n. 137. p. 931. 
Iron Ore, Hematites and Iron- 
works defcribed, n. 199. p.694. 
Digging and preparing Lapis 
Calaminaris, with the making 
of Brafioixtoi Copper, n.198. 
p, 672. n. 2co. p. 734. Steel, 
n. 199. p. 697. n. 203, p. 86$\ 
linmines Works and Ore in 
Cornwall defcribed, n. 138. p. 
949- ; : 
•Bell-metal; Gun- metal and Vot-me- 
lofophkal Tranfaftiom. 1 o 19 
tal wherein their difference, n. 
200. p. 736. See Mines. 
Meteors. See ignes fatui. 
Micro/copes, fingie ones how made, 
n. 141. p. 1026. A Defcripti- 
on of Microfcopes, n. 139. p. 
987. 
Microscopical Obfervations on the 
Teeth , n. 140. p. 1002. On the 
Grain of Ivory ; and Structure 
of the Hair, n» 140. p. 1003 
Animals in Pepper-water. See 
Animals. On the Flejby Fibres, 
On the Feathers of the Wings 
of Infe&s. On the Bloodgiobu- 
les, &c. n. 14). p. 80. On A- 
nimals in the Scurf of cheTeeth, 
Worms in the Nofe and Scaley- 
nefs of the Skin, n. if 9. p. j£8. 
On the Brain, n. 16S. p. 883. 
On the Chryfthllwe Humour of 
the Eye, n. 168. p. 889. n. 197. 
p= 646. and n.205. p. 95 s £ f 
On Moxa, n. 16S. p. 890. On 
the Chalk in the Gout, 891. On 
Salts. See Sales. On the Seeds 
of Plants. See Plants. Of the 
Texture of Wood. See Wood 
and Plants. Of the Slime and 
Scales of Fifh, and Scales on 
the Skin, n, 186. p. 893. n.20). 
p. 956. of Vinegar Eeles, n. 170. 
p. 964. 
Milium of Guinee defcribed,n. 1 72. 
p. 1031. 
Mwerals, thofe that are Sulphu- 
reous are wholly or in part Py- 
rites, n. 157. p. > 1 5. Some in- 
flanuble befides the Pyrites, ib. 
p. 5*i). Mineral Waters. See 
Waters, 
Tin Mmes in Cornwall defcribed, 
n 138. p. 949. Alum Mines/ 
n.142. p. j C)2. Of the Alive s 
U a u of 
