S6 



INDEX. 



Geography of plants in France, how influenced by elevation above 



the level of the sea, iv. 176 



—— — of Africa, remarks on, vii. 329 



— defined, x. 239. Strictures on Baron Humboldt's 



works on this subject, 240 



. remarks on, xiii. 162 



. , — and geology of Lake Superior, notes on, xviii. 1 , 



22S 



Geological maps and works, notice of, x. 206 



Geologies (mineral and Mosaic,) comparative estimate of, analysed, 

 XV. 108 



Geology of the West India islands, observations on, v. 311 



— ' — " miscellaneous intelligence concerning, vi. 169. x. 196 



of Barbadoes, memoir on, xi. 10 



of the Padrian-Vicentine, and Veronese territories, re- 

 marks on, xiv. 16. Of England and Wales, two principal 

 basins described, 144; supermedial order of rocks, 147. Chalk 

 formations, 148. Oolitic series, 149. Carboniferous strata or 

 medial order of rocks, 150. Coal strata, 151. Carboniferous 

 limestone, 152. Old red sandstone, and trapstone, 153 

 ■ '■' remarks on some crude theories of, xix. 64. Abstract 



of Dr. Thomas Burnett's theory of the earth, 65. Of Dr. 

 Woodward's, 67. Geological researches of Mitchell, 69; and 

 Whitehurst, 70. Sketch of the Neptimian theory of Werner, 

 72 ; and of the Platonic theory of Dr. Hutton, 74. Order of 

 Mr. Brande's lectures on, 77. Account of the earth's surface 

 ajid different strata, 79, 186. Observations on the deposits of 

 gravel, 196 

 „ x)utlines of, xx. 24. Position of chalk strata, 25; its 



organic remains, 27. Flints, 29. Varieties of sand and 

 clay^ ih. Portland stone, 31 ; oolitic formation, 32 ; old 

 red sandstone, red marl-gypsum, 33 ; salt deposits, 35 ; coal 

 formation, ironstone, 2G ; faults or dykes, ib. ; theory of the 

 origin of coal, 39 ; limestone, 235 ; toadstone, 238, ; old red 

 sandstone of the Wernerian school, 238. Grauwacke, 240. 



