This page has been validated.
INDEX
page | |
Actinolite rock, mass of in gneiss, in the Island of Oransa | 186 |
Adularia, found at Tintagel | 424 |
Agate pebbles, found in Sky | 188 |
—————— found at Kinnoul, described | 225 |
——————————————, difficulty of describing the manner of their formation | 226 |
———————— of the Giant's Causeway, the parallel plates lie in a horizontal position | 419 |
———————— decomposition of, in the gravel of Litchfield | 428 |
Aikin, Arthur, Esq. Notice of some peculiarities observed in the gravel of Litchfield | 426 |
————————, Notice on Shropshire witherite | 488 |
————————, on a green waxy substance found near Stockport | 445 |
Alcyonia, found in the sandstone at Whorlbury Camp | 218 |
Allen, William, F.R.S. Barometrical Measurements, by | 434 |
Alluvium, of Northumberland and Durham described | 95 |
————, account of a remarkable deposit of in Sky | 189 |
Alumine, its use when combined with lime for mortar | 433 |
Aluminous Strata, at Campsie, Mr. Mackintosh, on the | 445 |
Analcime, of a brick red colour, found in Sky | 188 |
Anatase, on the primitive crystal of | 250 |
Asbestus, found in Melmerby scar | 88 |
Avanturine, a variety of quartz rock | 272 |
Augite, found in grains imbedded in the basalt of Teesdale | 74 |
Augit rock, a rock of the trap family so called | 182 |
Baculites, found by Mr. Hony, near Maestricht | 312 |
Barometrical Measurements, by Mr. Allen and Mr. Woods | 434 |
Barytes, Sulphate of, Mr. Phillips on the primitive crystal of | 233 |
————, on the cleavage of | 246 |
Basalt occurs in the lead mine measures of Northumberland | 73 |
———— sometimes a regular bed in them | 73 |