42 



opinion, that where the breaks in the strata are greatest, there the 

 granite makes the nearest approaches to them. It is further attempted 

 to be proved, that the granite could not have been in a perfectly fluid 

 state at the period of its elevation, from the fact of its existence in 

 the form of mural and serrated precipices on the flanks of the se- 

 condary strata ; being in this respect prominently distinguished from 

 the trap of the southern regions of the island, which has, in number- 

 less places, not only penetrated, but overflowed upon the new red 

 sandstone. 



Erratum in the "Proceedings," No. 4. — Page 35, line 16 # 17. 



for " rest conformably on the new red conglomerate," 

 read " rest upon the red conglomerate". 



