Vlll LIST OP AUTHORS. 



Lewis, James. Observations on Melantho, . . .33 

 Catalogue of the Shells of the Coosa River, Alabama, 166 



Newcomb, Wesley. Descriptions of new species of Marine 



Mollusca, ........ 163 



Description of a new American Helix, . . . 165 



Pease, W. Harper. Descriptions of new species of Marine 



Gasteropodas inhabiting Polynesia, . . .64 



Remarks on Marine Gasteropodse inhabiting the West 

 Coast of America, with descriptions of two new 

 species, ........ 80 



Corrections and additions to Synonymy of Marine 

 Gasteropodaa inhabiting Polynesia, . . .85 



Prime, Temple. Catalogue of the recent species of the 



Family Corbiculadie, ...... 127 



Redfield, J. H. Notes upon the Monograph of the Genus 



Marginella, in Reeve's Conchologia Iconica, . . 88 



Roberts, S. R. Catalogue of the Families Porcellanidse 



and Amphiperasidse, ...... 189 



Tate, Ralph. On the Land and Fresh-water Mollusca of 



Nicaragua, ........ 151 



Tryon, George W., Jr. Notices and Reviews of New Con- 



chological Works, ... 49, 112, 173, 221 



Descriptions of new species of Terrestrial Mollusca 

 from the Andaman Islands, Indian Archipelago, . 109 



Description of new species of Marine Bivalve Mol- 

 lusca in the collection of the Academy of Natural 

 Sciences, ........ 170 



Wolf, John. Descriptions of three new species of Shells, 198 



