Wo. 112.} 79§ 



rag extract presents th© analysis of Prof. Salisbury, with his 

 (pinions in reference to the properties and promises of the article. 



*' 100 part8, deprived of water, gave of 



Organic, 18.35 



Oxides of iron, manganese and alumina, G9 . 6 1 



Silica, 9.80 



Lime, 1 .43 



Magnesia, . 43 



Potassa, 0.06 



Soda, 0.03 



Chlorine, 0.07 ^ 



Sulphuric acid, trace. 



99.77 



*'• Thia material contains quite a large percentage of organic 

 matter ; aside from this it is composed mostly of the oxides of 

 iron, manganese and alumina, with bilica ; all of these are very 

 durable. It will make a very good paint as it is, but a far more 

 durable and superior one wheu freed of the organic matter which 

 a contains. This can readily be accomplished by burning, which 

 if thoroughly done, completely destroys the organic matter and 

 imnproves the c<:)lor.'' 



DRIFT AN1> niLUVIAI. KOttMATION. 



Whilst strong and indubitable evidenc*^s prevail throughout the 

 comnty of P^sex that an igneous power constituttxi the stupendous 

 agency that impiessed u})on this region its peculiar ft-atures and 

 oharacteristics, it U ex^ually manifest that an acjueous action ex- 

 ctX<h[ an influence in moulding its existing formation. Without 

 designing to vindicate any opinion or to educe any theory, it 

 seems re<]uire<l by my positiim that I should prei«Mit summarily 

 a few prominent facts which may pos>il)Iy convey to other minui 

 elucidations and arguments on this subj«'ct. 



jg Lake Champlain is only 93 feet above ti«!e water, and a plum- 

 met de.scending in it GOO feet, has nc-t reached bottom. These 



t 

 facts may be suggeotivo of important consideration.^. Marine 



shells, forming large deposits of marl, occur in the vicinity of the 



