Fig. 14o. FOSSIL SCORPION (CVCLOPHTHALMUS BUCKI.ANIUl). 



THE PRE-ADAMITE EARTH. 



CHAPTEE II. 



215. Elie de Beaumont's mountain systems continued : System of Cote d'Or. 

 216. System of Monte Viso. 217. System of the Pyrenees 218. 

 System of Corsica. 219. System of the Western Alps. 220. System 

 of the Principal Alps. 221. System of Tsenarus. 222. Principal 

 effects of this convulsion. 223. Extension of De Beaumont's system 

 by analogy to the remainder of the globe ; general plan of mountain 

 systems. 224. Geological horizon explained ; mineralogical characters 

 insufficient to identify it. 225. Indications supplied by fossiliferous 

 deposits. 226. Twenty-nine fossiliferous strata. 227. Zoological 

 stratification. 228. Method of determining outlines of land and water 

 twofold : mineralogical and zoological. 229. The mineralogical tests 

 uncertain. 230. The zoological tests clear and definite. 231. Organic 

 remains which characterise the bottom of deep seas. 232. Organic 

 remains which determine the shores of seas. 233. Others which deter- 

 mine the bottoms of shallow seas. 234. Others which indicate the 

 embouchures of rivers and estuaries. 235. Conventional terms. 236. 

 Successive creations. 237. Geological periods and stages. 238. Six 

 great formations. 239. Resolution of the earth's crust into 29 stages. 

 240. Six geological ages. 241. Succession of geological periods. 



LARDNER'S MUSEUM or SCIENCE. 

 No. 145. 



17 



