Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXIII. No. 23. —June, 1898. 



CONTRIBUTIONS FROM THE HARVARD MINERALOGI- 



CAL MUSEUM. 



I. OCCURRENCE OF NATIVE COPPER AT FRANKLIN 

 FURNACE, NEW JERSEY. 



II. EXHIBITION AND PRELIMINARY ACCOUNT OF A 

 COLLECTION OF MJCROPHOTOGRAPHS OF SNOW 

 CRYSTALS, MADE BY W. A. BENTLEY. 



By J. E. Wolff. 



