suturd Icevi ; aperturd latiusculd j)Ostic^ acuminatd, labia ex- 

 terno tenui Icevi, intus subdenticulato, saturate hrunneo, lahio 

 interna Iceviyate subdenticulata, antice subalbida, margine in- 

 terna varicem rectum efforinante, parte untied testa trans- 

 versim striatd ; canali mediocri, recto. 

 Shell oblong-ovate, of an uniform dull, very dark brown colour, 

 and also within, excepting the columella and edge of the outer lip, 

 which are white ; spire acuminated ; volutions eight or nine, slightly 

 convex, even at the suture ; aperture rather acuminated posteriorly ; 

 outer lip thin, smooth, internally slightly denticulated ; inner lip 

 shining, with slightly elevated nodules or teeth, and its edge forms a 

 fine straight varix, from which a few thin strise pass over the dorsum 

 of the channel ; channel moderately wide and straight. 



Length, -f^ of an inch ; width, -^-^ of an inch ; length of spire, 

 Y^'V of ^^ iuch ; length of last whorl, -j^ of an inch. 

 Hab. 1 Cab. Gaskoin. 



10. CoLTjMBELLA INTEXTA. Tcstu oMongu, angustu, Icevis, al- 

 bicans, strigis punctidisque irregidaribus saturate brunneis 

 ornata ; spird acuminatd, anfractibus novemvel decern; margi- 

 nibus pasticis anfractuum brunneo maculatis, ultima anfractu 

 antice similariter colarata ; suturd elevatd; aperturd brevius- 

 culd angustdque, labia externa arcuata, ad marginem acutius- 

 culo, extus crassiuscido, ad canalem convergente, labia interna 

 ad marginem subvaricoso, Icevi, edentida; canali breviuscula, 

 angustata, extus transversim striata. 



Shell elongated, narrow, smooth, of a dull whitish colour, having 

 dark brown irregular dottings and streaks pervading the entire sur- 

 face of the shell ; irregular, rather large and distant, similarly coloured 

 spots are on the posterior margin of the volutions to the apex, aiid a 

 band, similarly indicated at the anterior part of the last whorl ; spire 

 acuminated, constituting about two-thirds of the length of the shell ; 

 volutions nine to ten, suture elevated ; aperture rather short and nar- 

 row ; outer hp arched, sharp at its edge, thickened externally, con- 

 verging towards the channel ; inner lip slightly ridged at its edge, 

 smooth, without denticulations ; channel rather short, somewhat nar- 

 row, externally transversely striated. 



Length, -^-^ of an inch ; width, -j^ of an inch. 



Hab. Australia. Cab. Cuming, Gaskoin. 



11. CoLUMBELLA CONTAMINATA. Testtt oblonga, IcRvis, saturate 

 brunnea, intus subalbida, lined suturali albicante subinterruptd ; 

 spird acuminatd dimidium testce superante, anfractibus acta vel 

 navem canvexiusculis ; aperturd pastich latd, antich angustiare, 

 margine externa lata, crassa, intus denticulis linearibus sex vel 

 septem ; margine interna tenui, albicante, intus denticidis pro- 

 minentibus confertis albicantibus sex supra columellam canti- 

 nuis, calumelld interstitiisque rufescenti-brunneis ; canali pra- 

 minente angusta subrecurvo, margine interna vialaceo, parte ex- 

 ternd transversim striatd. 



