INDEX. 
Graphite, occurs in gneiss in Ceylon ... 7 
— — is found in the Isle of Mull ... . . 
in Madagascar 
— between Lintz and Passau, on the Danube . 
Greenstone 3 occurs in Ceylon ...... 
— in the Isle of Man ...... 
in the east of Ireland ..... 
Green sand Formation, at Folkstone, described . 
— - found by Earl Compton in the Isle 
of Mull . . . . . 
that at Reygate described 
Grenatite, discovered at Glenmalur ..... 
Greywacke, with subordinate beds of granite at Windmill- 
hill, in the east of Ireland ..... 166 
— alternates with limestone at Portrane headland, 
in the county of Dublin . , ... 
its extent in the Isle of Man, described 
occurs in the Quantock-hills, containing a 
cavern with arragonite ..... 
Ground Pearl, a body so called, found in the marl of the 
Island of Antigua . . . . ... 463 
Guadaloupe, Island of, its geological structure 
Gungotr.ee , singular appearance of the rocks at 
Hanton, Mr. John, on the effects of the storm on December 
the 4th, 1811, in Lough Swilly 
Heights, measurements of, at Dover Castle 
of the Himala mountains . . 
on the water courses of Shropshire 
of mountains in the east of Ireland . . 
- on the tract occupied by floetz limestone in the 
interior of Ireland . . . . 
— in Malabar ....... 
near Petersburg 
• of hills in the Wolds of Yorkshire 
Hennah, Rev. Richard, account of the limestone at Plymouth 
4 o 2 
657 
PAGE 
323 
374 
477 
477 
315 
497 
225 
37 
372 
353 
149 
-222 
222 
490 
613 
-473 
469 
71 
612 
16 
61 
74 
124 
128 
339 
400 
547 
619 
