426 DR. DUNKER ON NEW SOLENACEA. [DcC. 10, 



33. SiLjauARiA CARPENTERi, Dkr. 



Testa eilonga, Ibiearis, recta, concentrice striata, livicla vel olivacea, 

 radiis duobus albidis in postica valvarum parte picia, tinea brevi 

 fusca ad umbones signata, epidermide cornea, in adidtis specimi- 

 nibus olivacea vestita ; umbones submediani, parvuli, paullo j)or- 

 recti ; tinea basis recta, margini dorsi subparallela ; latus anticum 

 rotundatum, posticum oblique rotundato-truncatum. Cardo val- 

 vulce dextree denticulis duobus cequalibus, sinistra uno majore erecto 

 cochlearifonni et uno niinore antico instructus. Sinus palliaris 

 fere mediam testam occupat. Costula levis ah umbone directe 

 decurrit. 

 Long. 34, alt. 11, lat. 6 mm. 



DifFert a Siliquaria polita Carpenter! testa longiore angustiore, 

 umbouibus paullo prominentibus, linea umbonum fusca directa neque 

 obliqua. 



Hab. In Carolina aiislrali ; Caraccas, West Colombia {H. Cum- 

 ing). 



34. Siliquaria nitidissima, Dkr. 



Tesla oblonga, solidula, concentrice striata, alba, vtrinque pallide 

 livescens, linea brevi fusca ab umbonibus decurrente lineolisque 

 nonnullis medias valvulas tenentibus signata, epidermide tenui, 

 pallide cornea, pellucida, constante et viitidissima obduciu ; um- 

 bones submediani, obtusi ; basis et linea doisi paullo curvata ; 

 extremitates rotundat<e, postica suhattenuuta. 



Long. 43, alt. \f>, lat. 7 mm. 



Differt a Siliquaria polita Carp, testa majore solidiore, pictura 

 languida, epidermide pallidiore, et liueolis istis fuscis medias valvas 

 occupantibus. 



Hab. Ill littore Peruano (//. Cuming). 



35. Siliquaria peruana, Dkr. 



Testa oblonga, oralis, ventrosa, sordide alba, concentrice striata, 

 epidermide cornea, glabra, nitida, uirinque siibrugosa induta ; ex- 

 tremitates rotundata, postica angusiior ; ligamentum breve, eras- 

 sum. Cardo in vnlva de.xtra bidentatus ; dens posticus crassus, 

 curvus ; cardo valva opposite pariier dentibus duobus, sed mino- 

 ribus et uno obliterate munitus est. Praterea fades interna om- 

 nino Soleni gibbo respondet. 

 Long. 53, alt. 23, lat. 17 mm. 



Queeritur uum hsec concha statura brevi, tnmida, et extremitate 

 antica sequaliter rotundata, necnoii epidermide glabra excellens, pro 

 specie propria haberi possit, an potius pro varietate curta Siliquarioe 

 gibbtE, quaj mirum in modum variat. 

 Hab. In littore Peruano (H. Cuming). 



36. AuLus japonicus, Dkr. 



Testa ovalis,fere elliptica, compressiuscula, concentrice tenuiterque 

 striata, lavigata, nitida, strigis vel zonis lividis et violacescen- 

 tibus radiisque 4 albis picta, epidermide tenuissima subvitrea in- 



