INDEX. 659 
PAGE 
Limestone, extent of the first floetz, in Ireland .. . . 254 
description of it, in the brook Pulcovca * 389 
— beds of it, in the neighbourhood of Petersburg 
401, 417, 436—450 
singular variety, in the Island of Antigua . 460 
recent formations of it, composed of fragments 
of shells, in Madagascar and St. Helena . . 479 
brought from New South Wales, resembling the 
transition limestone of England ..... 480 
extent of it in the Isle of Man .... 492 
oolitic variety of it, in Yorkshire . . 547 
Mucrus Mine, Killarney, worked in it . . 597 
occurs at Nelson’s river, Hudson’s Bay . . 601 
— — in the Quantock-hills . . . 613 
beds of it containing fossils, at Plymouth, described 619 
Limestone gravel, at a considerable distance from the 
calcareous tract in the east of Ireland .... 300 
Lucan, mineral waters of . . . . . 258 
Lunn, Francis, Esq. on the strata of the northern division 
of Cambridgeshire . , . . . 114 
Madagascar, notice on the geological structure of a part of it 476 
Magnesian Limestone, near Clifton .... 102 
Man, Isle of, supplementary observations to Dr. Berger’s 
account of it ........ 482 
Marl, in the Island of Antigua, containing shells . . 461 
-, blue, near Folkstone, described 16 — 37 
Meade, Dr., notice respecting a slab of serpentine from 
North America ........ 6M 
Merstham, description of the firestone quarries of . . 355 
Metals, diffused through the mass of rocks more generally 
than commonly supposed . . . . . . 195 
Mica Slate, occurs in the Himala Mountains ... 64 
_ — its extent in the east of Ireland, described , 140 — 155 
— — found in New South Wales ...» 480 
— in the Isle of Man 488 
