Mr. Scott on the Banks of Uw. Tistd and Hubuk. 



139 



and coal. This throws much h'ght on the preceding- specimens, and explains 

 the nature of their resemblance to granite. 



10. Whitish sandstone^ much resembling granite^ with decomposing fel- 

 spar. 



11. Dark smoke-grey slate clay, approaching to bituminous shale, irregu- 

 larly shot with mica. 



The inclination of Nos. 9, 10, and 1 1, is the same as of No. 4. The direc- 

 tion was not ascertained by the compass, but believed to be from N.W. to S.E. 



12. Sandstone. In this specimen minute rounded particles of quartz are di- 

 stinguishable with a lens, 



. The remaining specimens from the Tista are portions of blocks found in 

 the bed of the river. They consist of granite, gneiss, quartz rock containing 

 angular fragments of clay slate, greenish-grey splintery quartz with particles 

 of mica, indurated talc, chlorite slate, clay slate, — conglomerates of siliceous 

 pebbles with clay slate, and of clay slate and indurated talc, — sandstone, and 

 two varieties of compact limestone with a splintery fracture, one effervescing 

 copiously with marine acid, the other not perceptibly effervescing till reduced 

 to powder, or till the acid is heated. The blocks from whence these speci- 

 mens were taken were all of considerable size. 



On the Subur River*. 



/. Jt.3. ^■e-7a9. 



The distance from 1 to 12 is about oiu- mile and a half. 



J>ireetr'o?p of lh« Sli'dta, 



East. Bed o/ehe Stibtik. 



~7TII7~ 



West. 



On the south side of the Subuk river the strata seem to enter the hill in 

 the direction of S. 35° W. ; but on the north side they appear to run N. 50" E. ; 



* This river has not been found on any of the maps to wliirli the Secretariei have had accjesi. 



T 2 



