102 LODES CONSISTING 
164. Copper Pyrites, Specular 
and Spathose Iron Ore, with Fluor 
Spar. 
Cam Brea Mines, near Bedruih, 
Cornwall. 
Presented by the late John Garby. 
165. Galena, in cubo-octohe- 
dral crystals, with Fluor Spar, 
Pearl Spar, and Iron Pyrites. 
Durham. 
Shelf VI. 
166. Part of a Copper* Lode, 
showing the character of the lode 
adjoining one of its walls or sides, 
composed of killas, or clay-slate. 
Wheal Friendship, Tavistock, 
Devon. 
Presented by Sir H. T. De la Beche. 
167. Part of a Copper Lode, 
showing a plate of Copper Py¬ 
rites between two plates of Tin 
Ore. 
Wheal Vyvyan, Constantine, Corn¬ 
wall. 
Presented by Sir H. T. De la Beche. 
168. Part of a Copper Lode, 
containing a mixture of Copper 
and Iron Pyrites, and showing a 
very cavernous or “ vuggy ” part 
of the Lode. 
Trewarvas Mine, Trewarvas Head, 
Cornwall. 
Presented by Sir H. T. De la Beche. 
169. Junction of a Copper 
Lode, and a Granite Wall, the 
separation of the Lode from the 
Wall not being very distinct. 
Wheal Jewel, Gwennap, Corn¬ 
wall. 
Presented by John Williams. 
170. Junction of a Copper 
Lode and a Granite 'Wall. Lode 
and Wall not very distinct. 
Cam Brea Mine, Redruth, Corn¬ 
wall. 
Presented by Sir H. T. De la Beche. 
171. Vein of Quartz, Calca¬ 
reous Spar, and Epidote, cutting 
through Greenstone rock. 
Knockmahon Mines, Co. Water¬ 
ford, Ireland. 
Contributed by the Geological Survey. 
Shelf VII. 
172. Vein Specimen, showing 
the deposit (1.) of Quartz several 
times in succession, (2.) of Fluor 
Spar, and (3.) of Copper Pyrites. 
Cornwall. 
Presented by R. W. Fox, F.R.S. 
173. Part of a Copper Lode, 
exhibiting the character of part of 
the Lode near one of its sides or 
“ walls.” 
Wheal Friendship, Tavistock, 
Devon. 
Presented by Sir H. T. De la Beche. 
174. Vein of Galena, with Cal¬ 
careous Spar. 
Alport Mines, Derbyshire. 
Wall-CASE 28. 
Shelf I. 
175. Part of a Copper Lode, 
containing Copper Pyrites and 
crystallized Iron Pyrites. 
Trewarvas Mine, Cornwall. 
Presented by Sir H. T. De la Beche. 
176. Part of a Copper Lode, 
showing its character near one of 
its sides or walls. 
Wheal Jewel, Gwennap, Corn¬ 
wall. 
Presented by the late John Williams. 
177. Mixed Copper Pyrites, 
Arsenical Pyrites, and Blende, 
adjoining the wall of a Lode. 
Wheal Jewel, Gwennap, Corn- 
ivall. 
Presented by the late John Williams. 
178. Galena, occurring in spots 
or “ blanches ” in Fluor Spar, with 
Quartz. 
Smittergill Head, Cumberland. 
179. Galena, with Sulphate of 
Baryta and Calcareous Spar. 
Moletrap Mine, Cron ford, Derby¬ 
shire. 
Shelf II. 
180. Portion of a small Tin 
Lode, consisting of white nacreous 
Mica, Quartz, and rough Tin-stone. 
Huel Pye, St. Agnes, Cornwall. 
