1846.] 



Jfew Jersey Marls. 



293 



to this, we say for ourselves, that it was very carefully used, was 

 neither carried in our pockets nor wallets. We received it from 

 Mr. Tucker, and if he had subjected it to any ill usage before it 

 came into our hands, he can say for himself. 



And now, so far as we are concerned in the matter of the article 

 referred to above, w^e are satisfied; if we have failed to satisfy 

 Mr. Bingham that we know anything about wool and sheep, we 

 cannot help it, we have given him the best possible evidence in 

 our powxr, that we do know" something, and that is by agreeing 

 with him in regard to his wool. If he demurs now, we must 

 give it up. 



COMPOSITION OF THE MARLS OF NEW JERSEY. 



Surface Marl, 50 grs. 



Water of absorption, — 2.15 



Organic matter, 3.32 



Silex, 40.07 



Peroxide of iron and alu- 

 mina, - 3.06 



Chloride of cal- 

 cium, .06 



Magnesia, .12 



Potash, .61 



0.70 



49.98 



Shell Marl, 50 grs. 



Water of absorption, - - 0.85 



Organic matter, 1.86 



Silex, 37.77 



Peroxide of kon, 3.87 



Alumina, 0.73 



Chloride of calcium, — 0.50 



Magnesia, 0.40 



Potash, 2.85 



Loss, 



48.83 

 1.17 



50.00 



The latter marl is well known as a most useful fertilizer, and 

 probably contains phosphate of lime. They belong to that forma- 

 tion which is known as the green sand, and extend from Long 

 Island to Alabama. The green sand of Mullica Hill, N. J., ac- 

 cording to Rodgers, is composed of 



