MONOGRAPH XXIX. PL. XXVI. 



MONTGOMERY. 



CONWAY SCHIST. 



SOUTHAMPTON. 



MUSCOVITE GRANITE. 



SUQARLOAF ARKOSE. 



SELL. 



WESTFIELD. 



PEQMATITE. 



SA^ONITE IN 

 CHESTER AMPHIBOLITE 



SUQARLOAF ARKOSE. 



CONWAY SCHIST. 



SOUTHWICK. 



PEQMATITE. 



KET QNEISS. HOOSAC SCHIST. SAVOY SCHIST. 



SAXONITE. 

 MUSCOVITE QRANITE. 



SUQARLOAF ARKOSE. 



SOUTHWICK. 



CKET QNEISS. 



SUQARLOAF ARKOSE. 



OLOGICAL MAP. 



