150 GEOLOGICAL RECONNAISSANCE OF THE DOMINICAN REPUBLIC. 



Mollusca — Continued : 



Gastropoda — Continued : 

 Architectonica n. sp. b. 

 Rissoina crassilabris (Gabb). 

 Rissoina sagraiana Maury not d'Orbigny. 

 Rissoina n. sp. b ? 

 Rissoina n. sp. c. 

 Amalthea n. sp. a. 



Natica canrena Linnaeus n. subsp. b'. 

 Natica (Stigmaulax) sulcata Born. 

 Natica (Cryptonatica' n. sp. a. 

 Polynices subclausa (Sowerby). 

 Amauropsis guppyi Gabb ? 

 Cyclostrema striata Gabb. 

 Cyclostiema ? n. sp. a. 

 Adeorbis pentagona (Gabb). 

 Teinostoma n. sp. a. 

 Turbo dominicensis Gabb ? 

 Astralium sublongispinum Maury. 

 Phasianella CEucosomia) punctata (Gabb). 

 Calliostoma sp. indt. 



Neretina (Smaragdia) viridimaris Maury. 

 Fissuridea sp. indt. 

 Melanella n. sp. f. 

 Melanella sp. 

 Strombiformis sp. 

 Niso sp. 



Pyramidellidae 3 spp. 

 Scaphopoda : 



Dentalium dissimile Guppy. 

 Dentalium praecursor Pilsbry & Sharp. 

 Dentalium glaucoterrarum Maury. 

 Dentalium n. sp. d. 

 Dentalium sp. 

 Cadulus n. sp. b. 

 Pelecy poda : 



Nucula tenuisculpta Gabb. 



Leda n. sp. c. 



Area (Fossularca) adamsi Dall. 



Area (Scapharca) cibaoica Maury. 



Area (Scapharca) golfoyaquensis Maury. 



Area (Scapharca) losquemadica Maury. 



Area (Scapharca) sp. 



Glycymeris acuticostata (Sowerby). 



Pteria inornata Gabb. 



Ostrea sp. indt. 



Pecten (Pecten) soror Gabb. 



Pecten (Aequipecten) thetidis Sowerby. 



Pecten (Amusium) sp. indt. 



Spondylus bostrychites Guppy ? 



Julia n. sp. a. 



Yerticord'a (Trigonulina) n. sp. a. 



Venericardia scabricostata Guppy ? 



