COlS^TEI^rTS. 



On the Classification of Water Birds. By Elliott Coues, 



A.M., M.D., Ph.D 193 



Characters of some new Hepaticse (mostly North American), 

 together with Notes on a few imperfectly described species. 



By Coe F. Austin 218 



Report of the Curators 234 



Report of the Ornithological Committee 237 



Librarian's Report 238 



Report of the Recording Secretary 239 



Reports of the Conchological Section : — 



Recorder's Report 240 



Corresponding Secretary's Report 240 



Librarian's Report 241 



Conservator's Report 241 



Officers for 1869 243 



Elections for 1869 244 



Correspondence of the Academy 245 



Donations to the Library 250 



Index to Genera 264 



General Index 268 



Proceedings of the Biological and Microscopical Department... 19 



