280 



BIELIOGRAPnY OF N. A. CONCHOLOGY. [PART II. 



Pyramis . 



Ranella caudata Say. 

 Serpula vermicularis Li7in. 

 Solen ensis Linn. 



viridis .S"';^. 

 Solecurtus caribaeus Com: 

 Solen caribaeus Lam. 



fragilis Pult. 



Solen centralis Say. 

 Solemya velum Say. 



borealis ToU. 

 Sauguinolaria fusca Coiir. 

 Pgnmmobia fiisca Say. 

 Succinea avara Say. 



ovalis Say. 

 Scalaria lineata Say. 



Name. 



Scalaria multistriata Say. 

 Terebella conchilega Lam. 

 Teredo navalis Linn. 

 Tellina lenta Say. 



tenera Say. 

 Tornatella punctostriata Ad. 

 Turritella interrupta Tott. 

 Unio complanatus Lea 

 U. purpnreus Say. 



radiatus Barnes. 

 Venus mercenaria Linn. 



notata Say. 



var. praeparca Say. 



gemma Tott. 

 Valvata pupoidea Gould. 

 Vermetus lumbricalis Lam. 



Rafinesqiie. — In "Sketches of Louisville," by Dr. McMur- 



trie, Louisville, 1819, is the following list, by C. S. Rafinesque. 



RIVER BIVALVES. 



RIVER UNIVALVES. 



66 Lymnula turricula Raf 

 66 ventricosa Raf. 



66 retusa R<tf. 



66 lithopila Raf 



66 Lymnula eburnea Raf. 

 66 Strepoma angularis Raf. 



n. g. 

 66 concolor Llaf. 



LAND UNIVALVES. 

 66 Helix marginals /?a/. | 66 MesodonleucodonRa/. n.| 



