Notice of a Scientific Expedition. 

 Fig. 2. 



337 



a a Shale. — b b Sandstone. 



and the manner they are acted upon by external agents. The 

 scenery of a trap region, is usually bold, and it is rendered pictur- 

 esque by the outstanding columns which have as yet resisted the 

 attacks of time. The reader may obtain an imperfect idea of this 

 kind of scenery from Fig. 3. It is an outline of the termination of 

 Cape SpUt. 



Fig. 3. 



This figure is intended to show too, the manner in which rocks of 

 this kind, disintegrate and fall to decay. There is first a separation 

 into irregular columns ; these gradually dwindle away into rude sha- 

 ped masses, till finally they are overthrown by some convulsion. 



Much might be said of the splendid and romantic scenery of Nova 

 Scotia, but the narrow limits imposed on us in this paper, prevent 

 our offering any thing satisfactory on this subject. We take pleas- 

 ure in referring the reader to Jackson and Alger's work on the Ge- 



VoL. XXX.— No. 2. 43 



