420 MESSRS. A. ADAMS AND G. FRENCH ANGAS [NoV. 10, 



sulcatis ; apertura elongata ; labia simplici; labro extus vari- 

 coso, intus leevi, margine acuta pastice late sinuoso. 

 Long. 6 lines, lat. 2 lines. 

 Hab. Port Jackson {Coll. Angas.). 



A very prettily painted species, the upper part of the whorls 

 being pale fulvous, and the lower purplish brown, with an interme- 

 diate opake white band with fuscous edges. 



7. Mangelia iNscuLPTA, Ad. & Ang. (PI. XXXVII. fig. 8.) 



M. testa turrito-fusiformi ; spira qttam apertura longiore, nucha 

 violaceo ; sordide alba, antice fusco tincta ; anfractibus plania, 

 longitudinaliter plicatis, plicis costiformibus postice subangu- 

 latis, regularibus, transversim liratis, interstitiis fusca tinctis ; 

 apertura elongata, angusta ; labio simplici, subarcuato ; labro 

 extus varicoso, postice vix angulato, margine acuta, sinu postico 

 absoleto. 



Long. 3 lines, lat. 1 line. 



Hab. St. Vincent's Gulf, South Australia (Coll. Angus.). 



A small plicate species, yery strongly transversely grooved, the 

 grooves stained with fuscous, and with the nucleus deep violet. 



8. Bela mitralis. Ad. & Ang. 



B. testa avato-fusiformi, turrita, pallide fulva, ad suturas macu- 

 lis rufo-fascis ornata ; anfractibus 7, postice subangulatis, ad 

 suturas subexcavatis, longitudinaliter plicatis, interstitiis trans- 

 versim striatis, plicis in anfractu ultimo obsoletis ; apertura 

 elongata, angusta; labia leevi, simplici; labra tenui, regulariter 

 arcuata. 



Long. 8 lines, lat. 3 lines. 



Hab. Port Jackson {Coll. Angus.). 



An elegant pale-yellow mitriform species, ornamented with a series 

 of red-brown blotches at the suture of the last whorl. 



9. Bela australis, Ad. & Ang. 



B. testa ovuto-fusiformi, sordide alba ; spira aperturam eequante ; 

 anfractibus 6, convexiusculis, longitudinaliter plicatis, plicis 

 costiformibus angustis, ad suturas arcuatis, interstitiis trans- 

 versim valde sulcatis ; labra tenui simplici. 



Long. 7 lines, lat. 2| Hnes. 



Hab. Aldinga Bay, South Australia {Call. Angus.). 

 This southern Bela combines the form of B. nebula with the 

 sculpture of B. turricula. 



10. Clathurella RETicosA, Ad. & Ang. 



C. testa avato-fusiformi, fusca, anfractu idtimo fascia pallida 

 transversa ornata ; anfractibus 6, planiusculis, ad suturas vix 

 nngulutis, liris validis longitudinalibus et transversis retieu- 

 latis; apertura elongato-ovata ; labio simplici; labro intus 

 nodoso-lirato, sinu mediocri. 



Long. \ inch, lat. 2\ lines. 



