74t 



INDEX. 



N. 



Nagpoor, description of the vicinity of, 558, 561. 



1 . of the country between the 



Sichel Hills and, 553. 



Natron, remarks on tlie formation of, 563. 



Natural walls, account of, on the Grand Runn, 

 321. 



Needham and Needham Market, sections of wells 

 at and near, 379. 



New Quay, notice of fossils found near, 667, 

 697. 



Newton Bushel, notice of an outlying basin of 

 culm measures south of, 670 note. 



limestone, identified with that of 



Babacombe and Torbay, 652. 



Nelson, Lieut., on the Geology of the Bermudas, 

 103. 



— . remarks on his account of the 



formation of white calcareous mud from 

 Zoophytes, 252. 



Nembscheher, structure of the vicinity of, 592. 



Nerbudda, remarks on the valley of the, 538. 



Newent coal-field, description of, 203. 



New Hadley, diagram of faults in the parish of, 

 455. 



; section of coal-pit at, 481. 



New red sandstone, description of, in the north- 

 east of Antrim, 75. 



notice of, in the neighbour- 

 hood of Coalbrook Dale, 447. 



-1 plants found in, at Hadley, 



340. 



• system, description of the 



upper formations of the, in Gloucestershire, 

 Worcestershire and Warwickshire, 331, 339. 



foreign equivalents of, 331. 



New-works, New Lawley, coal-pit section, 477. 

 New York, notice of the carboniferous limestone 



and old red sandstone, in the State of, 59 note. 

 Nicholson, Mr., syenite veins in mica-slate and 



chalk at Goodland CHff and Torr Eskert, first 



noticed by, 179 note. 

 Nitre, soil near Caesarea charged with, 595. 

 Nonsuch, Castle, and Goat Islands, Bermudas, 



notice of, 107. 



North Munster, account of the carboniferous 



series in, 55. 



— coal-field, description of, 56. 



North and South Devon, comparison between the 



structure of, 662. 

 no rocks contained in, 



of equal age with the rocks of Snowdonia, or 



green slates of Cumberland, 662. 

 formations of, belong to 



one system, 689. 

 ■ classification of the for- 

 mations to be made out only by Zoological 



evidence, 689. 

 remarks on the first 



classification of, 089. 



are not to be placed 



below the Silurian system, 689. 

 assigned to the age of 



the old red system, 691. 

 North Devon section, remarks on the fossils ob- 

 tained from the inferior groups of, 696. 

 North Hill, on the structure of, 639, 640, 



645. 

 Norton Hall, section at, 376. 

 Nucula ovum, characteristic of tlie beds of shale 



used in the manufacture of alum, 216 aiid 



note. 

 Nummulitic limestone and marl, description of, 



in Cutch, 300. 



Oakhampton, granite veins penetrate altered 



beds to the south-west of, 673. 

 Ogwell limestone, notice of corals found in, 



697. 

 Old Park pits, section of, 483. 

 Old red sandstone, description of, in the Brown 

 Clee Hill, 125. 



in Clare, 55. 

 in Coalbrook 



in counties 



in the Forest 





Dale, 



424. 











Cork 



Limer 



ick 



and 



Kerry, 



34. 



of Dean, 196. 



