Proceedings Am. Philos. Soc. Vol. XLIX. No. 196 



Plate XXXIV 



Fig. I. Serpentine decomposing- and giving rise to hydromagnesite. From 

 Snlpliur Creek. (Reduced h of diameter.) 



Fig. 2. Bastitc, pseudomorphous after pyroxenite. From tlie Knoxville area. 

 (Reduced :' of diameter.) 



