14 Bulletin 39 186 



the total known Miocene fauna of Panama and Costa Rica to 

 396 species. 



Volvulella micratrada Brown and Pilsbry 

 Ringicula hvpograpta Brown and Pilsbr}^ 



Conns haytensis Sov»^erby Corbiila gahc7iensis Toula 



Co?7us doming ensis Sowerby Corbula sphenis Dall 



Cruns consobrimis Sowerby Corbula sericea Dall 



Conus cEviulator Brown and Pilsbry 

 Drillia vanmgeni Brown and Pilsbry 



Drillia gatunensis Toula Solecurtus strigillatus Liune 



Drillia fusiiius Brown and Pilsbry 

 Drillia Zooki Brov>m and Pilsbr}^ 

 Drillia enneacyma Brown and Pilsbry 

 Cythara hep tag ana Gag,^ 

 Marginella gatujiensis Brown and Pilsbry 

 Anachis fugax Brown and Pilsbry 

 Murex polynematicus Brown and Pilsbry 

 Mtirex gahinsis Brown and Pilsbry 

 Typhis Gabbi Brown and Pilsbry 

 Malea camura Guppy 

 Cyprea Henekini Sowerby, var. 

 Bittium nugatoriuni Brown and Pilsbry 

 Natica bohcs Brown and Pilsbry 

 Natica caiializonalis Brown and Pilsbry 

 Sigarehis gatunensis Toula 



Sigaretus {Eimaticiyia^ Gabbi Brown and Pilsbry 

 Cheilea princetonia Brown and Pilsbry 

 Nucula (Adla) isthmica Brown and Pilsbry 

 Peden effosus Brown and Pilsbry 

 Peden operculariformis Toula 

 Peden reliquus Brown and Pilsbry 

 Ainusi2im Tonics Prown and Pilsbry 

 Ostrea gatunensis Brown and Pilsbry 

 Cardiu7n durum Brown and Pilsbry 

 Cardiiini gatunensis Dall 

 Tellina cequiterminata Brown and Pilsbry 



