PL S N S W. 1907. 





mm 



4 ^- '^^m ' 



^ i^ iv- 



3 



♦^ ^^ 



■0 



1. LABRADORITE PORPHYRY. 2. TRACHYTE. 3. MONZONOSE. 4. ANDESITE. 



5. PHENOCRYST OF LABRADORITE IN BASALT. 6. AKERITE (NANDEWAR MTS.). 



