196 



antice erubescens, apice castaneo ; anfr. 6 convexis, epidermide fusco 

 hie illic obtectis ; sutura impress! : apertura ovata ; labro simplici 

 intus incrassato, rosaceo ; fauce alba, plica tenui. Long. f ; lat. f poll. 

 Sandwich Islands. 



A plain species, but well marked by its colors, especially by that of 

 the aperture. [A. Master sii Pfr.] 



Achatinella nucleola. T. solida, ovato-globosa, livido-cas- 

 tanea, ad suturam et antice albida, apice pallido ; anfr. 6 postice sub- 

 tabulatis : apertura rotundata ; labro simplici ; columella exeavata, 

 callo obtecta ; plica parva. Long. -^ ; lat. \ poll. Sandwich Islands. 



A small, solid species, of a livid hue. [A. brevis Pfr.] 



Achatinella microstoma [is A. textilis Fer. A. ventulus Rv. 

 and Pfr.]. 



Achatinella fuliglnosa [is A. tristis Fer.]. 



Achatinella [Leptachatina] striatula. T. parva, ovato- 

 elongata, nitida, viridis, longitudinaliter eoncinne et creberrime 

 striato-costata ; anfr. 7 convexis, ultimo partem dimidiam spirae 

 adequante : apertura angusta, seminularis ; labro albido, incrassato. 

 Long. -^ ; lat. ^ poll. Sandwich Islands. 



Not unlike Bui. obscurus in general appearance. Distinguished 

 from several similar species by its more slender form and by its beau- 

 tifully barred surface. [^4. clara Rv. and Pfr.] 



[t^= Vol. ii. 37, (February 1845) ; and Journal, v. 290. 



Pholas [Martesia] branchiata. T. oviformis, clausa, postice 

 acuminata, areolis tribus triangularibus partita ; areola antica plicis 

 numerosis concentricis serratis munita ; mediali transverse subtiliter 

 striata ; postica lamellis corneis fiexilibus imbricatis instructa ; dorso 

 scutis tribus obtecto, unico umbonali magno orbiculari ; duobus mar- 

 ginalibus lanceolatis ; duobus quoque ventralibus; apophysi exili, 

 flexuoso-falciformi. Long. 1^- ; lat. ^§ poll. Hab. Liberia. Dr. C. J. 

 Bates. 



Psammobia figlina. T. crassa, sub-ovalis, sub-equilateralis, 

 rufo-cinerea, antice rotundata, postice hians, sub-rostrata, valde flex- 

 uosa ; apice emarginato ; valvis concentrice laminoso-striatis, radiatim 

 lineo'atis; natibus elevatis, attigentibus ; dentibus cardinalibus diva- 

 ricatis ; intus alba, punctis numerosis indentata. Long. 3i ; alt. 2\ ; 

 lat. If poll. Liberia. Dr. C. J. Bates. 



Tellina rubicunda. T. tenuis, transversa, inequivalvis, antice 

 semi-elliptica, postice triangularis, nexuosa, apice truncato, concen- 

 trice et radiatim minutissime striata, natibus post-medianis ; valva 

 dextra planulata, postice areolam triangularem lamellosam habente ; 



