| page | |
| Tennat, Smtihson, Esq. Notice respecting native concrete boracite acid | 289 |
| Tin, forming one of the integrand parts of Granite | 120 |
| Tin, Stream, where met with in Cornwall 1 | 62 |
| Tinstone, found in the Gold Mines of Wicklow | 270 |
| Tourmaline, new variety of found in Cornwall | 16 |
| ─────── black, in the granite of Cornwall | 150, 152 |
| ─────── radiated and massive with quartz | 176 |
| Trap, veins of, traversing Sienite in Guernsey 9 | |
| ─────── traversing Sienite in Sercq 16 | |
| Trap Formation, in Sercq, 14—in Shropshire | 209 |
| Trap Rocks in the vicinity of Dublin | 279 |
| Trinidad, Dr. Nugent's account of the Pitch Lake in | 63 |
| ─────── Sketch of the Geology of part of | 74 |
| Veins. Course of the, in Cornwall | 163 |
| ─────── Distortion and irregularity of, in the parish of St. Agua | 164 |
| Vesuvian, found at Kilranelagh, near Dublin | 274 |
| Volcanoes, Remains of in the Island of Madeira | 392 |
| Wavellite, found in the County of Cork | 279 |
| Wrekin, Mr. Aikin's Observations on the | 191 |
END OF THE FIRST VOLUME.
ERRATA.
| Page | 17, | line | 8, | for | pry | read | dry |
| 17, | Bridges | Ridges | |||||
| 243, | 2, | (§ VIII 9.) | (§ VIII. 6.) | ||||
| 4, | (§ X. 4.) | (X. 3) | |||||
| 5, | 31 | 31.8 | |||||
| 244, | 6, | after the word residue | add dried at a red heat | ||||
| 10, | of barytes | sulphat of barytes | |||||
| 269, | 12, | black | block |
