On the Structure of the Delta of the Ganges. 341 

 Note C. — Analysis of Argillaceous Limes or Kanlcars. 





Gazipore. 



Kankar. 





Jumna.* 

 Kankar. 



Boulogne, f 

 Stone. 



Carbonate of Lime, 



72-0 - 



- 



- 42-2 - 



- - 61-6 



Ditto of Magnesia, 



4 - 



- 



- • 



™ • • * 



Ditto of Iron, - - 



• • • "" 



- 



- ■ 



■ - 6- 



Silica, - - - - • 



15-2 - 



- 



- 57-8 - 



- - 15.0 



Alumina, - - - ■ 



4- - 



- 



- ■ 



• - 4-8 



Oxide of Iron, - - ■ 



7- - 



- 



- ■ 



- - 3-0 



Water of Loss, - ■ 



1.4 - 



- 





■ - 9-6 



100. 



100. 



100. 



Note D. — Analysis of Indian Fossils. 



(1.) Fossil Bones from the Valley of the Nerbudda. 

 Carbonate of Lime, - - - - 14-0 

 Phosphate of Ditto, - - - - 85*5 

 Siliceous Ascicular Fibres depo- 

 sited by infiltration, - - - -5 



100. 



( 2. ) Fossil Bones from the Bed of the Jumna, 

 (a.) Carbonate of Lime, - - - 18-0 

 Phosphate of Ditto, - - - 80-0 

 Brown Ockreons Residue, - 2-0 



(b.) 



100. 



Phosphate and Carbonate of 



Lime, ------- 17'5 



Red Oxide of Iron, - - - 76-5 



Water, 6- 



100. 



( 3. ) Fossil Bones from the Banks of the Irawaddi. 



Carbonate of Lime, - - - 

 Phosphate of Ditto, - - - 

 Silica and Oxide of Iron, - 



25- 

 35- 



41- 



100. 



* Hard and thin Flag Kankar. 



f Identical with the Harwich and Sheppy Cement Stones of the London Clay. 



