[ xviii ] 
coloured, p. 99. Godolphin-House, ib. Yellow, p. 100. Red, ibid. Black, p. 101. The 
marble in Cornwall, coarfe and hard, ibid. Of the weight and dampnefs of ftones, p. 102. 
CHAP. X. Stones of ornament and curiofity, p. 104. White pebbles, ibid. Yellow, green, Sec. p. 105. 
Flints, p. 106. Caufe of the fhape of pebbles enquired into, ibid. Of nodulous porphyrites. p. log. 
Of italaXites, p. no. Alabafter, warmingftone, fwimmingftone, p. m. Talc and Albeftos, ibid. 
It’s ufe among the ancients, p. 113. It’s management and difule, p. 114. Small gems, p. 115, 
Coloured cryftals, p. 116. Green capreous incruftation from Ludgvan, ibid. 
XI. Of the general bafis of ftone ; fpar, cryftal, and diamond, p. 117. Spar. p. ri8. Plain cryftal, 
p. 1 19. Figur’d cryftals, p. 120. (Plate xm.) numbered and engraved, p. 121, Sec. Size tranfparency, 
p. 122. Pendarves-House, PI. xiv. Weight, hardnefs, texture, p. 123. Figures, p. 124. 
Salts probably the caufe of the figures, p. 126. Pointing of cryftals in the mine, p. 127. 
XII. Of femimetals, p. 128. Brifmuth, fpeltre, naptha, antimony, Manganefe, loadftone, molybdrena, 
cobalt, p. 130. Mundic, p. 131. It’s combinations with copper and tin, p. 132. — with water, 
p. 133. — earth, and fire, p. 134. — it’s weight, p. 135. — it’s produce, ibid. Mundic concretions ftill 
forming, p. 136. Figured mundics, PI. xv. p. 137. defcribed. Figured mundics, PI. xvi. p. 141. 
Reflexions on their regularity and art, p. 142. 
XIII. Of fiffures, p. 142. Their properties, ibid. Origine, p. 144. Direction, p. 145. Magnitude, 
ibid. Pofitions, p. 146. Their ufe, ibid. 
XIV. Of Lodes ; their properties, p. 147. The broil or top of the Lode, p. 148. Strata and Lodes ex- 
plained, PI. xvir, p. 149. Shodes and their properties,, ib. The caufe of them, juftly fuppofed the 
deluge, p. 150. The body of the Lode, p. 151. It’s contents, p.152. Inclination and fraXure, 
ibid. Uniformity of Lodes in particular diftriXs, p.155. FraXured Lodes, p. 156. Their caufe, 
p. 157. Several fubfidences of the Strata, and at what times, p. 158, 159. 
XV. Of Metals, p. 159. Tin, in what ftates found, p. 160. In floor, ibid. In fpot, p. i6r. In 
Ihode and ftream, ibid. A Angular ftream in Douran, p. 162. St. Auftel ftream works, ibid. &c. 
Tin found in fand and flime, p. 164. In what fenfe Tin or other metals grow, ibid. Ways of difeo- 
veringTin, p. 165. By bare paths, by fearching cliffs and caverns, by drifts, but more efpccially by 
fliodes, p. 166. Of bounds and liberty for fearching, p.167. Of mining as now praXifed in Cornwall 
p.167. Plate xvm. explained, p. 168 and 869. Progrefs of the works, p. ibid. Hydraulic enoines 
ufed in Cornwall, p. 170. Whim, ibid. Rag and chain, p. 171. Water-wheel and bobs, °ibid. 
Fire engine, it’s power, p. 172. PI. xix. References to the plate explained, p. 174. It's profit to 
the publick, ibid. The manner of dividing the Tin-ore, p. 175. Of ftamping and drefling of Tin- 
ore, the ancient manner little known, p. 176. The prefent method, p. 177. Of melting Tin, 
p. 1 81. Coining Tin, 182. The annual profit of Tin, p. 183. UfesofTin, 184. It’s origin, ib. 
Connexions, p. 185. Of native Tin, ib. Tin-cryftals, ibid. Their Ihape, p. 186. PI. xx. Tin- 
grains, &c. engraved, ibid. Rich Tin-mines, p. 188. Ancient and prefent conftitution of the 
ftannaries, p. 189 — 194. 
XVI. Iron, p. 194. Its plenty and rife, p. 195 ; and fhapes, p. 196. 
XVII. Copper, p. 196. In what ftate found, p. 197. Ores forted by their colours and texture, yellow 
ib. Green, blue, grey, black ores, p. 198. Red and malleable ores, p. 199. Plate xxi. Figured 
coppers engraved and defcribed, p. 200. Why malleable copper fo frequent, p. 201; and of fuch 
different colours, p. 202. Of railing, forting, and drefling the copper-ore, p. 203. Method of 
felling copper in Cornwall, p. 204. Rich mines ; their revenues yet improveable, p. 206. 
XVIII. Of fdver, lead, and quickfilver, p. 209. Of filver ; of lead, p. 209. Mines and forts of lead- 
ores, p. 210. Lodes of lead, p. 212. Little wrought in Cornwall, p. 212. 
XIX. Of gold found in Cornwall, p. 213. Some anciently known, ib. More of late difeovered, p. 
214. And the difeovery merits farther attention, p. 215. Whether mountains are neceffary to the 
produXion of metals, p. 216. 
XX. Vegetables of land and fea, p. 217. Foreft trees, ib. Clowance houfe, p. 219, Plate xxn. 
Fruit trees, ib. Foflil trees, p. 220. Of three forts, ib. Sec. Confequences drawn from foflil 
trees in Mount’s-bay, p. 223. Of fhrubs, p. 224. Wild and belonging to the greenhoufe, p. 226. 
The American aloe that flowered in the natural ground 1757 defcribed, p. 226, Sec. Herbs, roots 
and flowers, p. 228. Particular plants of hill and' hedge, ib. Plate xxm. Trewithen Vafe, marfli, 
and aquatic plants, p. 230. Rock and cliff plants, p. 232. Sand and beach plants, p. 233. Sub- 
marine plants, ramous, p. 234. Membranaceous, p. 235. Latifolious and anguftifolious, p. 236. 
Sponges, p. 237. Ufes of herbaceous fubmarine plants, ib. Ligneous, 238. Stony fubmarines, 
corallines, ib. Plate xxvi. Coral, corallines, and birds, p. 239. Coral in general, and the bodies 
compofed of it, p. 250. Whether coals the fabrick of animals, p. 241. 
XXL Of birds, p. 242. Hawks, ib. Cornilh chough, p. 243. Different forts, ib. — 247. Mifcoloured 
birds, and eggs, p. 248. 
Land 
