VIU LIST OF AUTHORS. 



Gill, Theo. On the relations of the Amphiperasidse, . 183 



Guppj, R. J. Lechmere. Notes on some new forms of ter- 

 restrial and fluviatile Mollusca found in Trinidad, 306 



Hartman, Dr. W. D. On the opercula of the family Stre- 



pomatides, ....... 316 



Lewis, Jas. Notes ou the Land Shells of East Tennessee, 188 

 On the Shells of the Holston River, . . . 216 



Pease, W. H. Remarks on the Species of Melania and 

 Limngea inhabiting the Hawaiian Islands, with 

 descriptions of new Species .... 4 

 Descriptions of Nudibranchiate Mollusca inhabiting 

 Polynesia, 298 



Redfield, J. H. Rectification of the Synonomy of certain 



Species of Marginella, ..... 172 



Tryon, Geo. W., Jr. Descriptions of new species of Marine 

 bivalve Mollusca in the Collection of the Academy 

 of Natural Sciences, No. 2, .... 23 

 Note on Cyclophorus foliaceus, Reeve {non Chem- 

 nitz), and C. Leai, Tryon, . . . . .25 

 Notices and Reviews of New Conchological Works, 



79, 174, 283, 323 



Wolf, J. Catalogue of the Shell-bearing Mollusca of Fulton 



County, 111., 27 



