DENTALl UAL— Plate III. 



Lajiai:ck. Aniinaux sans vertiibres. 

 //<«/-. Culfc.f Tarentuni. 



The normal distinction;, between this species and 

 Dentaliurn entale are tliat the hitter is fissured at the 

 apex and not striated, while this species is striated and 

 not fissured. 



rtd : ajnre atteniiato, Ji^ 



"J" 



Species 18. (Mus. Cuming in Brit.) 

 Dentai.u'ji Phii.iitinarum. Bep. testa elongaU'i, 

 aivjiiftimmd, recfitcsculii, semipelbicidA, politissitmi, 

 siihanreo-jiisci'i, imniiJis roncentricis elevalis nume- 



TiiE PwiLiri'iXE Dentalum. .Shell elongated, very 

 narrow, rather straight, semipellucid, highly 

 [xilished, somewhat golden brown, banded with 

 numerous elevated concentric rings ; apex atte- 

 nuated ; ajiical fissure very short. 



SowEiniY. Thesaurus Conchyliorum, Dentalium, Sp. 12, 

 r. .".4. 



Hub. Isl. Saniar, lMiili],pines. 



I renerally of a darker golden-brown colour, much 

 narrower and strai^hter than iJnitidhnn eburni'um. 



