331 



Very near to N. optata, which has a beaded rather than a 

 fluted surface ; and the lip and pillar of the aperture are un- 

 armed. 



Nassa reposta. T. solida, ovato-conica, rudis, cinerea, plicis 

 inconspicuis 12-14 demum carentibus, et filis remotis (superne 4) 

 ornata ; anfr. 7 convexis postice sub-angulatis : apertura ampla 

 rotundato-ovat^ ; labro incrassato expanso intus denticulato ; colu- 

 mella valde arcuata lutea, vitrea ; fauce fusco-rufa postice luteo- 

 fasciata. Axis 12 ; diam. 7 millim. Inhabits Sydney, N. S. W. ? 



Nassa mustelina. T. parva, elongata, ovato-conica, polita, 

 livida maculis pallidis fusco marginatis variegata, ad anfractum 

 ultimum postice et antice vittis pallidis (marginibus articulatis) et 

 lineis binis medianis usque ad labrum acutum pallidum prolongatis 

 cincta ; anfr. 8 convexis elevatis : apertura ovata ; labro acuto 

 pallido intus polito ; rostro pallido ; columella arcuata porcellana ; 

 fauce livida vittis binis pallidis ornata. Axis 12 ; diam. 8 millim. 

 Inhabits Ousima, off the coast, in 2 fathoms, coarse clean sand. 

 W. S. 



Allied to J^. zonalis, but is much larger. 



Nassa quantula. T. parva, subtenuis, ovato-globosa, rufo- 

 albida ; anfr. 6 convexiusculis, plicis ad 12 et filis confertis vol- 

 ventibus quorum uno postmediano rufo ornatis: apertura ampla 

 rotundato-ovata ; labro extus incrassato. Axis 7 ; diam. 3 milHm. 

 Inhabits St. Simon's Bay. W. S. 



Nassa opt at a. T. subtenuis, ovato-conica, acuta, polita, 

 albida demum ferrugineo variegata ; anfr. 7 convexiusculis ad 12- 

 plicatis, plicis ad anfr. ultimum tandem carentibus, striis volven- 

 tibus 5 quorum praesuturali profundiore gemmulas efformante 

 secantibus ; sutura profunda : apertura late ovalis ; labro intus 

 laevi, extus incrassato rufo variegato ; columella admodum callosa. 

 Axis 10 ; diam. 6 millim. Inhabits Sydney Harbor. W. S. 



Very closely resembles the figure of N. Gayi of the Conch. 

 Iconica, which, however, is believed to represent a larger and 

 more ventricose shell than that of Kiener. 



Nassa dermestina. T. parva, elongato-ovata, postice acuta, 

 cinerea; anfr. 7 rotundatis 15-16 plicatis et filis ordinatim cine- 



