152 Proceedings of the Koyal Society of Edinburgh.. [Sess. 
64 Groups 
1907-8.] Classification of Igneous Eocks. 
— continued. 
100-3 
100-4 
ioo-i 
100-3 
3-13 (2-56) 
2- 95 
3- 00 
3-12 (2-40) 
3-16 
3-00? 
3-09 
2- 95 
3- 25 
306 
2-80 (2-44) 
