95 



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

 have reason to believe was brouglit from the Mauritius. — W. L. P. 



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

 raliter costatd, inter costas tenuissinie striatd, lacted ; anfractibus 

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

 melld flexuosd ; labio externo inths sulcato : long. O' 75. lat. 03 

 poli. 



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 siiperrie angulatis, costis adangulum nodoso-tuberculatis ; 

 aperturd albd, nitidd ; labio externo intUs leviter striato : long. 

 0-65, lat. 0-35 poli. 



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 ovato-conicd, peracutd, pallide fulvd 

 fascils saturatioribus cinctd, longitudinaliter creberrinie undatim 

 plicatd, striis impressis contiguis eleganter decussatd ; anfractibus 

 8 — 9,}'otundatis, ad suturas granulis moniliformibus ornatis; aper- 

 turd ovali ; columelld subrugosd ; labio extils marginato, intus sul- 

 cato : long. O" 8, lat. O' 4: poli. 



Hab. in Polynesia. (Toobouai.) 



Collected on the reefs. — W. L. P. 



Nassa dentifeea. Nassa testd ovatd, subventricosd, olivaced, an- 

 fractu ultimo fascid pallidiore cinctd, longitudinaliter granoso- 

 plicatd, decussatd; aperturd f usco-violaced ; labio externo sinuoso, 

 incrassato, basin ve7-sus denticulo unico instructo, intiis leviter sul- 

 cato : long. 0-85, lat. 0-45 poli. 



Hab. ad oras Americae Meridionalis. 



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

 tom.— W. L. P. 



Nassa festiva. Nassa testd ovato-globosd, caerulescente, punctis 

 variis et antice lineis contiguis rubro-castaneis pictd ; anfractibus 

 8, longitudinaliter costatis et spiraliter sulcatis, ultimo ventricoso, 

 spird peracutd longiore ; aperturd albd, rotundatd ; columelld gra- 

 noso-plicatd ; labio externo crasso, variciformi, intiis valde sul- 

 cato : long. 0-85, lat. O' 6 poli. 



Hab. ad Panamam et ad Sancteun Elenam. 



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

 thoms.— W. L. P. 



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

 ced obscure f asciatd ; anfractibus 7 — 8, convexis, spiraliter obsoleti 

 striatis, suturis granulis moniliformibus infra in costellas decur- 

 rentibus ornatis, costellis et striis anfractūs ultimi evanescentibus ; 



