660 
INDEX 
PAGE 
Minerals, enumeration of those found in Ceyldn . . 318 
in the basalt of the Mull .... 374 
Mines of Cronab cine, produce of . . . . . 217 
Moscow, black slaty clay of ...... 454 
Mucrus Mine, Killarriey, a notice respecting it . . 595 
Mull , Isle of, description of the rocks that occur on the south 
coast . ........ 369 
Nelson river, Hudson’s bay, notes respecting the geology of it 599 
Neva river, in the neighbourhood of Petersburg, description 
of it . 393 
New South Wales, description of specimens from it, collected 
by Mr. Oxley 480 
Nitre Work, in Ceylon 316 
Nugent, Nicholas, M.D. sketch of the geology of the Island 
of Antigua 459 
Ortho ceratites, in the Pleta limestone . . . 418, 421 
Parkinson, James, Esq. Remarks on the fossils near Dover 
and Folkstone . . . . . . . 52 
Peat bogs , on the formation of them .... 608 
in Ireland, origin of ..... 301 
Pentacrini, on some new fossil varieties . . . 87, 379 
Petersburg, geology of the environs of . . . . 392 
Phillips, Wm. Esq. Remarks on the chalk cliffs near Dover 16 
: on the modification of the primitive 
crystal of the sulphate of barytes .... 305 
Plesiosaurus , a fossil animal so named, intermediate in its 
structure between the icthyosaurus and crocodile . 560 
its characters described . . . . 581 
geological seat of . . . . . 591 
Plymouth, limestone of, described . . . . . 619 
Porphyry, occurs at Tare hill in the east of Ireland . . 181 
in the Island of Antigua . , . . 467 
j n Madagascar ..... 478 
