1 014 ^ General Index of the 
R 
■JR^i», that it rained in fome places 
Iron, Copper, Stones, why thofe 
and not Silver or Gold, n.157. 
p« fiS. Raining of in 
J¥ilt[hire 9 n.186. p.281. Raining 
of Brimftone. See Brimftone. 
"Raffing Water, a new Way pro- 
pofed, n. 173. p. 1093. ex- 
plained^ n. 177. p. 1238. and 
n, 178. p. 125-4. with its full 
defcription, n. 178. p. 1274. 
Receipts for mad Dogs. See Dogs. 
Refining the Art, n. 142. p. 1046. 
Refinance of the Air to Bodies 
meafured, n. 186. p. 269. 
Refiiration how made wich its ufe, 
n. 142. p. 1072. 
Rivers, their number in Virginia, 
the Reafons of fo few Towns 
there, n. 201. p. 792. 
River Greatak See Greatah and 
Water. 
Rocks, a new way of cleaving 
them, a 167. p. 85*4. 
• Roots, their number in Cubic and 
Biquadratic aequations, n. 190. 
p. 387. 
Rock Plants a farther account of 
them, n.ijo, p. 276. 
Ruines of a Roman ^Mdefcribed, 
n. 147. p 238. 
Ruminating Man, n. 193. p. 52f. 
Runic Infcfiptions, n. 178.P.1287. 
and 1291. 
S 
Saliva. See Pituita and Books. 
Salts. A Salt-plain of 1 2 Hours 
riding, n. 137. p. 942. Salt- 
Thilofophical Tranfaftions. 
firings at Droytwich in Wor- 
cefterfhire, n. 142. p. ro^p. 
Sand in Salt* brine, n- 145-. p. 
97. Microfcopical Obfervati- 
ons on the Salts of Wine and 
Vinegar, n. 170. p. 963.^20^ 
p. 95*8. on thofe of feveral o- 
other Subftances, n. 173. p. 
1073. Of c ^°^ e °f J u ice or Le- 
mons Sal Armomac and Sal 
Vol. Oeo. n. 205:. p. 85-8. &c. 
Salt-peter obferved microfcopical- 
ly,n. 173. p. 1075-. Queries 
concerning jalt-petre, n. 193. 
P foj. 
Salt-peter a very fixt Salt, n. 204. 
p. 904. 
Salt Armoniac and Soda, or Pot- 
atoes obfeived microfcopically, 
n. 173. p. ir^o oi Ambar 
no Vola iie Sak, 4. p^o^. 
Saltnefi and frefhnefs 01 water ex- 
amined, n. 197. p. 627. and 
637. A ftandard of Salts, n. 
204. p. 904. Volatile Salts ad- 
vance red Colours, n. 204. p. 
9c 6. Salts in the Sweat after 
drinking Wine oblerved mi- 
crofcopically, n. 205-. p. 9^4. 
Of the Difference between Sea- 
fait and common Salt, n. 156. 
p. 489. 492. Salt jprings Mid- 
land of Worcefterlhire, Staf- 
ford (hire, Cheftire, n. 15*6. p. 
Sampire, n. 156. p. 494. 
Sandals found in Wejtmoreland for 
Men, Women, &c. n. ij8. 
p. yy8. 
Sand, a Table of fuch as are found 
in the North of England, n. 
164. p. 743. One fort whereof 
is true Tarfe of which the Ve- 
netian Glafs is made, n. 162. 
n. 742. 
Fir- 
