Vol. 57.] 



01' SOrXH-CEXTPvAL CEYLOX. 



201 



but at others seemingly in dependent and in well- formed flakes with 

 a distinct orientation. The rest of the slide consists of jiyrites with 

 some magnetite, untwinned felspar (not very plentiful), perhaps a 

 little dolomite, and apatite. 



Fig. 3. — Banding in yneissoid gramdite. 

 (Toted lengtJiJigured =42f^€t.) 



Fig. 4. — Banding in gneissoid gramdite. 



A thin section, from a well-banded specimen from the same 

 cutting, exhibits both in constituent minerals and in structure a 

 great resemblance to those already described in § («)• Ii^ the 

 Q. J. G. S. No. 226. ^ p 



