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



Long. 2| inches, lat. Ij inch. 



Hab. Spencer's Gulf, South Australia (^Angas) ; Tasmania 

 {Cuming) (Coll. Angus.'). 



A showy species, most nearly allied to F. raphanus, Quoy & Gaim. ; 

 characterized by its ventricose whorls, its short beak, and its pale 

 yellowish orange-colour banded with chestnut. Mr. Cuming pos- 

 sesses a specimen of this species much larger than those from Spen- 

 cer's Gulf. 



4. Cyllene lactea, Ad. & Ang. 



C. testa fusiformi-ovata ; spira elata, conica, apice decoUato ; 

 lactea, epidermide tenui nitida pallide fusca induta ; anfrac- 

 tibus superioribus longitudinaliter plus ininusve plicatis, plicis 

 in anfractu ultimo obsoletis, transversim liratis, liris antice 

 validioribus ; apertura oblonga, columella antice liris subspi- 

 ralibiis obliquis elevatis instructa ; labro intus sulcata. 



Long. 6 lines, lat. 3 lines. 



Hab. Port Stephens, New South "Wales {Coll. Angas.). 



A milk-white species, covered with a very thin brownish epidermis ; 

 upper whorls longitudinally plicate, and the apex of the spire decol- 

 lated. 



5. Olivella pardalis, Ad. & Ang. (PI. XXXVII. fig. 3.) 



O. testa turrito-fusiformi, spira elata, pallide cinerea, maculis 

 rufo-fuscis infasciis transversis dispositis ornata {in anfractu 

 ultimo tribus), suturis canaliculatis ; apertura angusta ; colu- 

 mella alba, antice uniplicata. 



Long. 5 lines, lat. 1^ line. 



Hab. Port Jackson, 5 fathoms {Coll. Angas.). 



A small species, remarkable both for the elegance of its form and 

 the beauty of its markings. 



6. Olivella leucozona. Ad. & Ang. (PI. XXXVIL fig. 23.) 



O. testa turrito-fusiformi, spira elata, cinerea, lineis rufo-fuscis 

 angulatis longitudinalibus reticulata, maculis albis rufisque al- 

 ternantibus ad suturas ornata, suturis profunde canaliculatis ; 

 anfractu ultimo fascia transversa ceeruleo-alba antice succincto, 

 ad basin castaneo tincto ; apertura angusta, intus fulva; colu- 

 mella fusca, antice uniplicata. 



Long. 7 lines, lat. 2 lines. 



Hab. Port Jackson, 6 fathoms {Coll. Angus.). 



Most nearly resembling in form O. fulgida, Rve., but very pret- 

 tily reticulated with red-brown zigzag lines, and with a transverse 

 bluish-white zone at the fore part of the last whorl. 



7. Olivella nympha, Ad. & Ang. 



O. testa fusiformi-turrita, gracili, spira elata, suturis profunde 

 canaliculatis, alba, semipellucida, zonula alba opaca ad suturas 

 ornata ; apertura angusta, antice effusa ; columella alba, opaca, 

 antice uniplicata. 



