EXPLANATIOiV OF PLATE 64. 65. 103 



Fig. 17. Side view of another tubercle of the same 

 species. (Jaquin. Frag. Bot. PI. 14.) 



Plate 64. V. I. p. 387. 



Fig. 1. Fossil leaf of a Flabelliform Palm from the Gyp- 

 sum of Aix in Provence. (Brongniart.) 



Fig. 2. Upper portion of the Fossil trunk of a tree allied 

 to palms (nearly four feet in diameter,) from the 

 Calcaire Grossier at Vaillet, near Soissons, preserved 

 in the Museum d'Hist. Nat. at Paris. See p. 387. 

 Note. (Brongniart.) 



Plate 65. V. I. p. 396. 



Fig. 1. Section across the Wednesbury Coal basin from 

 Dudley to Walsall. (Jukes.) 



The extensive Iron foundries which cover the sur- 

 face of this district, and the greater part of the 

 manufactures in the adjacent town of Birmingham, 

 originate in the Coal and Iron ore, with which the 

 strata of shale in this Coal basin are richly loaded. 



The Dudley Limestone here found immediately 

 below the Coal formation, occurs usually at a much 

 greater depth in the series. The Mountain Lime- 

 stone, Old red Sandstone, and Ludlow rocks, are 

 here wanting. (See PI. 66, Fig. 1.) 

 Fig. 2. Section, showing the basin-shaped disposition of 

 the Carboniferous strata in S. Wales. (Rev. W. D. 

 Conybeare.) 



The richest beds of Coal and Iron ore are placed 

 almost immediately above the Mountain limestone. 

 (See pp. 59, 396.) It is to this district that our 

 Posterity must look for their future supplies of Coals, 

 and transfer the site of their Manufactures, when 



