PAPERS READ BEFORE THE ACADEMY. 



G. E. BAILEY. 



The Tin Deposits of the Black Hills of Dakota, (title) 44 



H. CARRINGTON BOLTON. 



A Catalogue of Chemical Periodicals, (titJe^ 36 



JOHN C. BRANNER. 



Cotton in Brazil ; its History, Methods of Cultivation and the Insects Af- 

 fecting it, (title) 76 



N. L. BRITTON. 



Notes on the Glacial and Pre-glacial Drifts of New Jersey and Staten Is- 

 land 26 



A Revision of the North American Species of the Genus Scleria, (title) 80 



B. B. CHAMBERLIN. 



Mussels and Mussel Culture 3 



Notes on Minerals from the French Creek Mines, Chester Co., Penii 41 



P. H. DUDLEY. 



Description of the Dynagraph and Track Inspection Car and its Work 

 (illustrated) 5 



C. E. BUTTON. 

 Volcanic Plienomena, (fajmlar lecture) 54 



D. CADY EATON. 

 Canterbury (/athcdral (popular lecture) 75 



DANIEL C. EATON. 



Hybrids and Hybridism (^ojpwtor lecture) 79 



A. H. ELLIOT. 

 Building Stones used in New York City (titles) 57, 77 



