114 



column and those on the pyramid give it an odd appearance, 

 more especially that on the apex, which has a rising margin. 

 The order of formation from regular nuclei shows how 

 much variety nature is capable of producing by the most 

 simple means. 



The specimen is a little coloured towards the bottom 

 with ochraceous Oxide of Iron, and in some parts are a 

 few blotches of decomposing Pyrites. 



