INTRODUCTION 



T. 



HE science of Geology proposes to investigate the nature and 

 properties of the different rocks, and other masses, that compose 

 the crust of our globe; to examine their order and positions; to 

 •consider the various phenomena vv^hich they present, and the changes 

 which they appear to have undergone; and in short, to inquire into 

 every thing calculated to elucidate the stiiicture of the earth. 



This study, though less attractive than "the pursuits of the 

 astronomer, has an equal claim to our attention. There is some* 

 thing, indeed, peculiarly fascinating in the contemplation of those 

 bright orbs which bespangle the sky; and the imagination more 

 willingly attends the understanding, in soaring through the regions 

 of immeasurable space, and surveying the magnitudes, stations, and 

 motions of the heavenly bodies, than in viewing the features, and 

 exploring the depths, of the earth on which we tread. Not only the 

 celestial regions, but the animal and vegetable kingdoms, possess 

 more charms than the province of geology can boast Yet this sci- 

 ence, fewer as its attractions are, is by no means uninteresting, or 

 unimportant. While we study the laws which govern the remotest 

 planets, shall we remain ignorant of the 'planet which we inhabit ? 

 vShall distant objects engross our attention, to the exclusipn of those 



