84 
LEAD OKES. 
107 to 109. Galena. 
From the Coal in the Earl’s Col¬ 
liery, Netherton, Northumber¬ 
land. 
Presented by the Earl of Carlisle. 
110. Galena, found in a lump 
of coal broken at Woolwich. 
From Neivcastle-upon- Tyne. 
Presented by Lieut.'Col. Dundas. 
Ill and 112. Pluwbiferous 
Sandstone, containing 8 per cent, 
of lead, and some silver. 
Alderley Edge, Cheshire. 
Presented by Mr. Mitchell. 
Shelf YIII. 
113. Galena, associated with 
Iron Pyrites and Brown Spar. 
Allenheads, Northumberland. 
Presented by W. B. Beaumont, M.P. 
114. Galena, crystallized in 
large cubes, with Fluor spar : a 
“ shode stone.” 
Cumberland. 
115 and 116. Galena, with 
naturally polished surface called 
“ Slickensides.” 
From the wall or ‘‘ cheek ” of a 
slide or ^‘faidt,” Grassington, 
Yorkshire. 
Presented by his Grace the Duke of 
Devonshire. 
Wall-case 45. 
Shelf I. 
The following series to No. 131 
are from Strontian, Argyleshire, 
Scotland ; and were presented by 
Sir James Miles Riddell, Bart., 
from the Exhibition of 1851. 
117. Galena, massive crystal¬ 
line, with Calcite. 
118. Galena, crystallized with 
Iron Pyrites. 
119. Mass of Strontianite, with 
Galena interspersed. 
Belsgrove, Strontian, 
Shelf II. 
120 & 122. Galena, crystal¬ 
line, with very brilliant cleavage 
planes. 
Belsgrove. 
121. Galena, in cubo-octohe- 
dral crystals, imbedded in Stron¬ 
tianite. 
123 & 124. Galena, with Cal¬ 
cite. 
Belsgrove. 
Shelf III. 
125 & 126. Galena, with CaB 
cite. 
Smithy vein, Feedonald. 
127. Part of the Lead vein. 
At Clashgoran, Strontian. 
128. Galena, crystallized in 
cubes, with dog-tooth spar (Cal¬ 
cite), on Quartz. 
129 to 131. Galena, crystal- 
lized. 
Bed vein, Feedonald. 
132. Part of a quartzose Lead 
Vein. 
Shelf lY. 
133. ‘‘ Tumblers,” or lumps 
of Galena coated with black Oxide 
of Copper. 
From the shallow levels of eastern 
part of Cronebane Mine, Co. 
Wicklow, Ireland. 
134. Steel-grained Galena. 
Holyhill Mine, South of Bantry, 
Ireland. 
135 k 136. Argentiferous 
Galena, with Quartz and Copper 
Pyrites. 
Booskar Silver Mines, West of 
Bantry. 
137. Galena, fine grained, with 
Copper Pyrites. 
Tranastella brecciated lode, Bon- 
mahon, Ireland. 
138 & 139. Galena, coarsely 
granular. 
From a lode traversing Serpentine, 
between Tranastella and Danes 
Island. 
140 to 143. Specimens of Ga¬ 
lena, with Barytes and spots of 
