Ice Streams in the Upper Glacière of St. Livres ” ” 196 Entrance to the Glacière of St. Georges ” ” 201 Gallery with Tombs _from_ Northcote and Brownlow’s ‘Roma Sotterranea’ 206 Cave in Dream Lead Mine, near _engraved by_ G. Pearson Wirksworth, Derbyshire 216 Boring Machine in the Tunnel, _taken from the_ ‘Illustrated Mont Cenis { } London News’ _by permission_ 238 Boring Machine in the Second Working Gallery, Mont Cenis Tunnel ” ” 239 Process of Boring _engraved by_ G. Pearson 251 Section of a Lead Mine in _from_ Ure’s ‘Dictionary of Cardiganshire { Arts, } Manufacture, and Mines’. 252 Part of a Colliery laid out in four panels ” ” 255 General View of Mining _engraved_ by G. Pearson Operations 257 Tools used by Miners in _from_ Ure’s ‘Dictionary of Cornwall { Arts, } Manufactures, and Mines’ 258 Conveyance of Minerals _engraved by_ G. Pearson underground 262 Miners descending Shaft in Owen’s Safety Cage ” ” 265 Timbering of a Mine _from_ Ure’s ‘Dictionary of { Arts, } Manufactures, and Mines’ 258 Transverse Sections of Walled Drain Galleries ” ” 269 Drainage of a Mine by Adit Levels ” ” 269 Safety Lamp ” ” 280 Gold-washing in Australia _engraved by_ G. Pearson 292 Stamping Mill _from_ Ure’s ‘Dictionary of Arts, Manufactures, and Mines’ 306 Grinding Mill ” ” 307 The Botallack Mine, Cornwall _engraved by_ G. Pearson 317 St. Michael’s Mount, Cornwall ” ” 333