14 



Bui.i.«TiN 39 



i86 



the total known Miocene fauna of Panama and Costa Rica to 

 396 species. 



Volvulella niicratrada Brown and Pilsbry 

 Ringicula hypograpta Brown and Pilsbry 



Conus haytensis Sowerb}^ Corbula gatunensis Toula 



Con us doming ensis Sowerby Corbula sphenis Dall 



Crims consobrimis Sowerb}^ Corbula sericea Dall 



Coniis (Emulator Brown and Pilsbry 

 Drillia vaniiigeni Brown and Pilsbry 



Drillia gatunensis Toula Solecurtus strigillatus Linne 



Drillia fusinus Brown and Pilsbry 



Drillia Zooki Brow^n and Pilsbry 



Drillia enncacyma Brown and Pilsbry 



Cythara heptagona Gagg 



Margijiella gatunensis Brown and Pilsbr}^ 



Anachis fugax Brown and Pilsbry 



Murex polynematiciis Brown and Pilsbry 



Murex gatu?isis Brown and Pilsbry 



Typhis Gabbi Brown and Pilsbry 



Malea camura Guppy 



Cyprea Henekini Sowerby, var. 



Bittiu7n nugatorizim Brown and Pilsbry 



Natica bolus Brown and Pilsbry 



Natica canalizo7ialis Brown and Pilsbrj^ 



Sigaretus gatuneyisis Toula 



Sigaretus {Eunaticiyia) Gabbi Brown and Pilsbry 



Cheilea princeto?iia Brown and Pilsbry 



Nucula {Acila) isthmica Brown and Pilsbry 



Peden effosus Brown and Pilsbry 



Peden operculariformis Toula 



Peden reliquus Brown and Pilsbry 



Amusium TouIcb Prown and Pilsbry 



Ostrea gatunensis Brown and Pilsbry 



Cardium durum Brown and Pilsbry 



Cardium gatunensis Dall 



Tellina cequiterminata Brown and Pilsbry 



I 



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