53 



54 

 55 



56 

 57 



On the Structure of the Delta of the Ganges. 343 



Catalogue, — ( Continued. ) 



Names and Characters. 



Range. 



Begins 

 at 



Green Siliceous Clay, 



Siliceous Clay with Kankar, . . 



Kankar from the above, 



Ditto Ditto, 



Variegated Arenaceous Clay, . . 



Variegated Clay, 



Ditto Ditto, 



Ditto Ditto, 



Clay with Kankar, 



Variegated Arenaceous Clay, . . 



Ditto Ditto, 



Ditto Ditto, 



Ditto Ditto, 



Ditto Ditto, 



Argillaceous Marl, 



Loose Sandstone, .... 



Argillaceous Marl, 



Arenaceous Clay with weathered 

 Mica Slate and *Nodules of Hy- 

 drated Oxide of Iron, .... 



Arenaceous Clay, 



Ferruginous Clay, 



Calcareous Clay, .... .... 



Arenaceous Clay, 



Coarse Friable Quartzose Conglo- 

 merate, .... .... .... 



Smaller Grained Ditto, .... 



Coarse Sand associated with Indu- 

 rated Ferruginous Clay, .... 



Micaceous Clay, .... .... 



Yellow Impalpable Clay, .... 



Ferruginous Micaceous Clay, .... 



Ditto Ditto Ditto, .... 



Ditto Ditto Ditto, 



Ditto Ditto Ditto, .... 



Ditto Ditto Ditto, 



Soft Sandstone, .... .... 



Micaceous and Ferruginous La- 

 mellated Sandstone, . . .... 



Ferruginous Sand with Clay, .... 



Arenaceous Clay, .... .... 



Blue Ditto with Mica Scales, .... 



Fine Argillaceous Sandstone, .... 



Ditto Ditto Ditto, .... 



Sandstone slightly Calcareous, .... 



Sandstone .... .... .... 



Fine Soft Ditto, 



Ditto with Nodules of Limestone, 



Fine Loose Sand with fragments of 



Quartz, Felspar and Granite, . . 

 Sand slightly aggregated, 

 Ditto Ditto, 

 Shelly Calcareous Clay, 

 Adhesive Ditto Ditto, 

 Blue Clay with large quantities of 

 decayed wood, 



Feet. 

 60 

 65 



75 



120 

 127 

 130 



150 

 170 

 175 



• • 



185 



• • 



185 



205 



208 



300 

 380 



382 



Ends 

 at 



Remarks. 



125 

 130 



150 



170 



• • 



175 



185 



■ * 



203 



205 

 208 



380 



Found at 80 feet. 



90 



95 

 .. 100 

 .. 105 

 .. 110 

 .. 112 

 .. 115 

 . . 120 



* Metallic Iron re- 

 duced from these. 

 Found at 157 feet 

 . . 164 



171 .. 7 inch 



177 



183 . . 3 



187 .. 

 196 . . 

 198 .. 

 200 

 203 

 204.. 



4 



10 

 9 



324 



382 

 392 



206 .. 



8 



211 .. 



6 



214 





220 . . 



6 



227 .. 



11 



230 .. 



11 



231 





233 .. 



4 



257 . . 



9 



300 





326 





348 





381 .. 6 



Arranged by R. BAIRD SMITH, 



Lieut. Bengal Engineers. 



