17 



The following papers were published during the year by Dr. 

 Wolff: — 



On the Lower Cambrian Age of the Stockbridge Limestone at Rutland, 

 Vt. Bull. Geol. Soc. America. 



On the Metamorphism of Clastic Feldspar in Conglomerate Schist. 

 Bull. Mus. Comp. Zoology. 



An investigation of some akniite trachytes from the Crazy 

 Mountains, Montana, was completed by Mr. R. S. Tarr and Dr. 

 Wolff (not yet published), and on other rocks of that range and 

 of New England. In the spring, the instructor began the field and 

 laboratory investigation of the Archaean Highlands of New Jersey 

 and New York, in connection with the United States Geological 

 Survey. 



