﻿Fig. 6. — Section of contact-altered pelitic gneiss, showing two groups 

 of sillimanite cross-sections near the centre of the field. Magnified 

 18 diameters [14126]. 



T. C. H. 1909. 



Pig. 7. — Section of a weathered-out knob, magnified 18 diameter, 

 \lJfl27\ showing cross-sections and long sections of sillimanite. 



T. C. H. 1909. 

 [l=Qnartz, biotite, etc. ; 2 = Fibrolite tufts; 3= Cross-sections of sillimanite: 

 4 = Long sections of sillimanite ; 5=Oblique sections of the same.] 



