VEINSTONES. 591 



also been sometimes formed ; but into the pecu- 

 liar circumstances under which this occurrence 

 has taken place, I must not here enter. 



It is obviously unnecessary, as already stated, 

 to give a catalogue of all these possible combi- 

 nations, as there can be no difficulty in distin- 

 guishing them, as far as any useful purpose is con- 

 cerned, by the examination of their constituent 

 parts. They may be arranged however, in a 

 general manner, if that is thought necessary, 

 according to the following division. 



SYNOPSIS OF VEINSTONES. 



FIRST DIVISION. 



Angular; or consisting of untransported frag- 

 ments of the adjoining rocks. 



A. Fragments of different kinds, cemented by 

 quartz. 



B. Similar fragments, cemented by carbonat of 

 lime. 



C. Larger fragments cemented by a mass of simi- 



