NOME VIII. KOLLANITE* 



107 



stances, that while the primeval waters covered 

 this globe, no particular oceans nor seas existed. 

 Hence the currents of the chaotic ocean, of far 

 more force and activity than we can at present 

 conceive, have rolled these pebbles from im- 

 mense distances, as products of Florida are by 

 the gulf stream brought to Newfoundland, and 

 even to Shetland and the Orkneys. De Luc has 

 observed, that the stones scattered over the con- 

 tinents form a principal geological monument ; 

 and any theory which passes this phenomenon 

 in silence, can deserve but little attention from 

 the real naturalist*. Sp true it is that the plains 

 are more difficult to illustrate than the moun- 

 tains; and he who can explain the formation of 

 a pebble, may explain the formation of the 



Jobe. 

 Doctor Kidd's observations on the pebbles of 

 ngland, deserve particular notice on this occa- 

 sionf. 



" The larger masses are in many parts of 

 England called bowlder stones, a name expressive 

 of the cause of their rounded form : the term 

 pebble, is in common language applied to those 

 which are smaller than the foregoing, but too 

 large to be used as gravel ; and these are very 



* Geologic, 351. t Vol. ii. append. 2g. 



