vi 



PREFACE. 



the subdivisions of the surface ♦and the structure of the sub-soil ; while 

 the fossil animals are figured in separate plates. 



Finally, lest some of my readers should imagine, that he whose proper 

 study is the frame-work of the earth, is indifferent to the beauties of its 

 outline, I beg to offer a few pictorial sketches of this fine region, alike eulo- 

 gized by the poet for its fertility and the valour of its people — and which 

 the wayfaring geologist can truly say is a land of real kindness and hospi- 

 tality : 



" Where from Silurian vats high sparkling wines 

 Foam in transparent floods." — — 



ee In ancient days 



The Roman legions and great Caesar found, 

 Our fathers no mean foes^ and Cressy plains 

 And Agincourt, deep tinged with blood, confess 

 What the Silures* vigour unwithstood 

 Could do in rigid fight " 



London, November 29, 1838, 



