560 
INDEX. 
M'Clintock, Sir L., 441. 
M'Coy, Prof. R, 18, 62, 85, 120, 134, 145, 
153, 154, 161, 168, 183, 186, 189, 192, 
200, 206, 209, 210, 217, 229, 236, 237, 
252, 295, 301, 339, 462, 464, 500, 539. 
M'Crady, Mr., 539. 
Medina sandstone, 429. 
Meek, Mr., 342, 442. 
Megalodon cucullatus, 278. 
Meneghini, Prof., 422, 540. 
Mercey, M. de, 414. 
Merionethshire, gold in, 450, 546. 
Meristella angustifrons, 210. 
Mesozoic life, change from Palaeozoic to, 
481. 
Metamorphic Cambrian rocks, 35. 
Metamorphism, 495. 
Michel, Mr., 468. 
Michelotti, Sign., 221. 
Microconchus (Spirorbis) carbonarius, 302. 
Middle Devonian, fossils of the, 278. 
Middle Devonian rocks of the Rhine, 395. 
Midlothian coal-field, 172. 
Miller, Hugh, 10, 16, 148, 168, 170, 247, 
252, 254, 255, 258, 260, 264, 268, 270, 
302. 
Miller, Mr. J., 223, 268. 
Mills, Mr., 451. 
Millstone-grit of Scotland, 293. 
Milne-Edwards, Prof., 430. 
Mines in the Lower Silurian rocks of 
Wales, 72 ; in the Ural Mountains, 455. 
Minnesota, geology of, 433. 
Mitchell, Rev. Hugh, 252, 542. 
Mitchell, Sir T., 461, 468. 
Modiolopsis expansa, 196. 
■ gradata, 229. 
modiolaris, 196. 
platyphyllus, 229. 
postlineata, 196. 
Moffat, 154. 
Monmouthshire, Carboniferous rocks of, 
288 ; Old Red Sandstone of, 244. 
Montgomeryshire, Llandeilo formation of, 
47 ; Tarannon shales and Denbighshire 
grits of Radnor and, 102. 
Monticulipora favulosa, 51. 
lens, 68. 
Moore, Mr. J. C, 149, 155, 196, 267, 482. 
Moor-rock, 293. 
Moravia, Palaeozoic rocks of, 371. 
Morris, Prof. J., 18, 186, 215, 247, 265, 
297, 317, 318, 507. 
Morte, 272. 
Mossgiel, 332. 
Mountains, height of ancient, 498. 
Mount Eagle, 178. 
Miiller, Dr. J., 224. 
Miinster, Count, 382, 385, 399. 
Murchisonia bilineata, 278. 
gyrogonia, 197. 
obscura, 197. 
subrotundata, 197. 
Murchison, Lady, sketches by, 80, 92, 117, 
289. 
Murchison, Sir R. I. See ' Philosophical 
Magazine,' ' Quarterly Journal ' and 
' Transactions' of the Geological Society 
of London, ' Russia in Europe and the 
Ural Mountains,' ' Siluria,' ? The Si- 
lurian System,' &c, passim. 
Murray, Mr. A., 426, 429, 435. 
Musclewick Bay, Llandeilo schists in, 53. 
Mynydd Aberedw, 59. 
Mynydd-banc-y-ffair, 73. 
Mynydd Epynt, 58. 
Myrianites MacLeayi, 201. 
Mytilus mytilimeris, 229. 
Nant-y-Rhibo Brook, 73. 
Nash Scar, altered limestone of, 107. 
Nassau, Devonian rocks of, 392. 
Naumann, Prof., 324, 382, 384. 
Nereites Cambrensis, 201. 
Sedgwicki, 201. 
Neuropteris Huttoniana, 336. 
New Brunswick, Devonian rocks of, 439. 
New South Wales, gold in, 463. 
New York, Palaeontology of, 432. ' 
Niagara shale, 430. 
Nicho son, Mr. H., 146, 148, 187. 
Nicholson, Sir C, 462. 
Nicol, Prof. J., 10, 11, 148, 150-154, 158, 
163-171, 180, 201, 267, 368. 
Nidulites favus, 188. 
Nieszkowski, Prof., 237, 238. 
Nilsson, M., 347, 539. 
Nimmo, M., 539. 
Noeth G-riig, 87. 
Nordenskiold, Mr. A. E., 543. 
North America, gold in, 468; Palaeozoic 
rocks of, 425. 
North Devon, section across, 272. 
North Eoreland, 272, 275. 
Northumberland, Carboniferous rocks of, 
288, 291, 296. 
Norway, Laurentian rocks of, 12; Palaeo- 
zoic succession in, 353 ; Silurian rocks 
of, 348. 
Norwood, Dr., 433. 
Nottingham, Permian rocks of, 327. 
Nova Scotia, Palaeozoic rocks of, 438. 
Obolella plumbea, 48. 
Ocean, the primeval, 486. 
Ochil Hills, 172. 
Odernheimer, Mr., 463. 
Oeynhausen, Herr C. von, 404. 
Ogygia Buchii, 51. 
Portlockii, 51. 
scutatrix, 51. 
Selwynii, 51. 
Old Church Moor, 89. 
Oldham, Dr., 29, 173. 
Oldhamia antiqua, 30. 
Old Red Sandstone, 16, 243-271, 542; 
fossils of the, 259 ; general order of the 
rocks beneath the, 106. 
Olenus bisulcatus, 45. 
cataractes, 203. 
