95 



I have only seen one specimen of this interesting species, which I 

 have reason to helieve was brought from the Mauritius. — W. L. P. 



BucciNUM succiNCTUM. Bucc. tcstd ovato-pyramidali, tenui, spi- 

 raliter costatd, inter castas tenuissime striatd, lacted ; anfractihis 

 7 — 8, convexis, ultimo spird vis majore ; aperturd ovali ; colu- 

 melld flexuosd ; labia externa inths sulcata : long. 0'75, lat. 0"3 

 poll. 



Hab. ad littora Insulae Mauritii. — W, L. P. 



Genus Nassa. 



Nassa nodifeea. Nassa testd ovato-acuminatd, subturritd, albes- 

 cente, longitudinaliter costatd, et spiraliter impresso-striatd ; an- 

 fractibus sitpcrne angulatis, costis adangulum nodoso-tuberculatis ; 

 aperturd alba, nitidd ; labia externa intus leviter striata : long. 

 0-65, lat. 0-35 poll. 



Hab. ad Insulas Gallapagos et ad littora Panamse. 



Found in coral sand in from six to ten fathoms. — W. L. P. 



Nassa concinna. Nassa testd avata-conicd, peracutd, pallid"^ fulvd 

 fasciis saturatiaribus cinctd, langituditialiter creberrime undatim 

 plicatd, striis impressis contiguis eleganter decussatd ; anfractibus 

 8 — 9, rotundatis, ad suturas granulis maniliformibus ornatis; aper- 

 turd ovali ; calmnelld subrugosd ; labia extils marginata, intiis sul- 

 cata : long. 0'8, lat. 0'4 pall. 



Hab. in Polynesia. (Toobouai.) 



Collected on the reefs.— W. L. P. 



Nassa dentifera. Nassa testd avatd, subventricosd, alivaced, an- 

 fractu ultimo fascia pallidiare cinctd, longitudinaliter granoso- 

 plicatd, decussatd ; aperturd fusco-violaced ; labia externa sinuoso, 

 incrassato, basin vej'sus denticula unico instructo, intus leviter sul- 

 cata : long. 0*85, lat. 0-45 pall. 



Hab. ad oras Americas MeridionaUs. 



Dredged in the Bay of Arica, in ten fathoms, from a muddy bot- 

 tom.— W. L. P. 



Nassa festiva. Nassa testd ovata-globosd, coerulescente, punctis 

 variis et antice lineis contiguis rubro-castaneis pictd ; anfractibus 

 8, longitudinaliter costatis et spiraliter sulcatis, ultimo ventricaso, 

 spird peracutd longiore ; aperturd albd, ratundatd ,• columella gra- 

 nosa-pUcatd ; labia externa crasso, varicifarmi, intiis valde sul- 

 cata : long. 0"85, lat. 0-6 pall. 



Hab. ad Panamam et ad Sanctam Elenam. 



Dredged from sandy mud at a depth varying from six to ten fa- 

 lAoms.— W. L. P. 



Nassa exilis. Nassa testd ovato-conicd, basi subcompressd, oliva- 

 ced obscure fasciatd ; anfractibus 7 — 8, convexis, spiraliter obsolete 

 striatis, suturis granulis maniliformibus infra in costellas decur- 

 reniibus arnatis, costellis et striis anfractds ultimi evanescentibus ^ 



