21 



ovata ; columella tenui, erectu, postic^ dilatatri, antice planulatil. 

 Axis, 7 ; diam. 6 millim. Inhabits Hakodadi Bay. W. S. 

 Like G. nivosa A. Ad., but that species is not granulate. 



GiBBULA MUSIVA. T. parva, ovato-globosa, tenuis, liris transver- 

 sis ubique cincta, lutea nigro ordinatim tessellata ; anfr. 5 convexis ; 

 basi imperfbrato (junioribus exceptis) : apertura rotundato-ovata ; 

 columella incrassata antice subdentata ; fauce nacrea, sulcata. Diam. 

 6 millim. Inhabits Simon's Bay. W. S. 



The animal has a bilobed head, the lateral mantle without lobes 

 behind the slight emargination which forms the anterior lobe. 



GiBBULA LOCULOSA. T. parva, globoso-conica, depressa, sub- 

 tenuis, rosaceo, fusco etc. et strigis radiantibus flavidis variegata ; anfr. 

 5 Tcntricosls, liris 5 et fills minoribus 1-3 ad interspatia exiliter cla- 

 thrata cinctis ; liris levibus, coloribus articulatis ; sutura profunda ; basi 

 rotundato concentrice arato ; regione umbilicali palUdo arete per- 

 forato : apertura rotundato-ovata ; fauce margaritacea, sulcata. Axis, 

 6 ; diam. 7 millim. Inhabits False Bay, Cape Good Hope. W. S. 



Animal with the lateral lobes smooth-edged ; four pairs of lateral 

 cirrhi not very long, the third pair very short. 



GiBBULA GAUDiosA. T. parva, ovato-globosa, sub crusta cretacea 

 margaritacea, superne rosacea alibi strigis radiantibus rubris, rufis et 

 flavidis ornata ; anfr. 5 fills circ. 5, minoribus interpositis, cinctis ; basi 

 rosaceo siepe flavido tessellato, concentrice striato, regione umbilicali 

 calloso plerumque imperforato : apertura rotundato-ovata : labro tenui 

 versus columellam ampliato ; fauce nacrea, sulcata. Diam. 6 millim. 

 Inhabits False Bay. W. S. 



One specimen is beautifully tessellated on the ridges with brown, 

 roseate, blue, golden-yellow, white, and cream color. 



GiBBULA LEPiDA. T. parva, globoso-lenticularis, levis, murina, 

 vitta peripherali et vitta suturali nigris albo tessellatis picta ; anfr. .5 ; 

 sutura vix impressa ; basi convexo, striis concentricis et maculis albidis 

 ornato ; regione umbihcali excavato, callo induto : apertura parva, 

 obliqua ; columella acuta, antice dentata ; labro acuto ; fauce mar- 

 ffaritacea, sulcata. Diam. 5 ; axis, 4 miUim. Inhabits New Ireland. 

 W. S. 



Somewhat like G. spilofa. 



GiBBULA FULGEXS. T. parva, globoso-conica, subtenuis, sub 

 epidermide tenui fuscescente vivide iridescens; anfr. .5, costis 4-5 

 fusco et rosaceo articulatis cinctis ; sutura obvia ; basi convexo, costu- 

 lis bene dispositis sculpto, arete perforato ; columella arcuata, ex- 

 pansa, erecta ; fauce deaurata vivide iridescente. Operculum corneum 

 multispirale. Diam. 7 millim. 



CoLLONiA LEXTicuLA. T. miuuta, solida, alba, globoso-lenticu- 



