420 INDEX. 



PAGH 



Tennant, Smithson, Esq. Notice respecting native concrete boracic 



acid 389 



Tin, forming one of the integrant parts of Granits 120 



Tin, Stream, where met with in Cornwall 162 



Tinstone, found in the Gold Mines of Wicklow g70 



Tourmaline, new variety of found in Cornwall 116 



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 272 



Trinidad, Dr. Nugent's account of the Pitch Lake in 6.3 



Sketch of the Geology of part of 74 



Veins, Course of the, in Cornwall 163 



Distortion and Irregularity of, in the parish of St. Agnes 16i 



Vesuvian, found at Kilranelagh, near Dublin 274 



Kolcanoes, Remains of in the Island of Madeira 392 



WavellUe, 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, /or pry read dry. 



17, ...• Bridges Ri'dges. 



243, ... 2 ... (§ viii. 9.) . . • (§ viii. 6.) 



4, ... (§x. 4.) ....(X.3.) 



t \ 



5 of the note, for 31 read 3], S. 



244, 6 of note \ after the word residue, add dried at a red heat. 



10 of same note, for of barytes, read of sulphat of baryte*. 



289 12, for black read block. 



London : printed by William Phillips 

 George-yard, Lombard-strew. 



