320 Zoological Society. 



ZOOLOGICAL SOCIETY. 



March 25, 185 1 . — William Yarrell, Esq., Vice-President, in the Chair. 



Descriptions of new species of Nassa, in the Collection 

 OF Hugh Cuming, Esa. By Arthur Adams, F.L.S. etc. 



Subgenus Nassa. 



Shell cassiform ; spire short ; inner lip with the callus greatly de- 

 veloped. 



A. Shell ribbed or nodulous. 



1. Nassa coronula, A. Adams. N. testd ovato-conicd, cine- 

 rescente, fascid supra albidd, infra fiisco ornatd ; spird brevi ; 

 anfractibus ad suturas angulatis, longitudinaliter costatis, costis 

 distantibus rotundis supra nodulosis ; labia callo crasso obtecto ; 

 columelld rugosd ; labro extus marginato, intus lirato. 



Hah. Corrigidor, Bay of Manila, under stones, low water {H. C). 

 Mus. Cuming. 



2. Nassa dispar, A. Adams. N. testd ovato-conicd, ventricosd, 

 l(Evi, lutescente, rufo cinereoque varie pictd ; anfractibus superne 

 gibbosis ; labia callo alba mediacri tecto ; columelld transversim 

 corrugatd ; labro antice dentate, intus lirato. 



Hub. Philippines, sandy mud {H. C). Mus. Cuming. 



3. Nassa stigmaria, A. Adams. N. testd ovato-ventricosd, 

 rufescente, albo fuscoque variegatd et punctatd; liris granosis 

 transversis ornatd, granis plants quadratis ; labia Icevi, callo albo 

 nitido obtecto, labro margine dentato. 



Hah. Island of Siquijor, PhiUppines, under stones (^. C). Mus. 

 Cuming. 



4. Nassa SiauuoRENSis, A.Adams. N. testd ovatd, subturritd, 

 rufescente, fascid pallida cinctd, longitudinaliter costellatd; suturd 

 tuberculis moniliformibus ornatd, costellis permultis confertis, 

 interstitiis transversim striatis ; columelld corrugatd, labro antici 

 valde dentato. 



Hab. Island of Siquijor, Philippines {H. C). Mus. Cuming. 



5. Nassa retecosa, A. Adams. N. testd ovatd, acuminatd; spird 

 acutd, rufescente, suturd canaliculatd, cingulis albis transversim et 

 longitudinaliter cancellatd ; labro crenato, antice dilatato et sinuato; 

 labia callo, subexpansa, antice recto. 



Hab. Albay, Luzon, coarse sand, 6 fathoms (H. C). Mus. Cum. 



6. Nassa verrucosa, A. Adams. N. testd ovato-acuminatd, 

 spird productd; suturd canaliculatd, rufescente, fusco sparsim 

 punctatd, liris transversis granosis ornatd, granis rotundis verru- 

 ciformibus in seriebus obliquis longitudinalibus dispositis ; labia 

 valde calloso, tuberculato, albo ; labro margine serrato. 



Hab. Eastern Seas. 



7. Nassa variegata, A. Adams. N. testd ovato-ventricosd, 

 albido-grised , fuscoque variegatd, longitudinaliter striatd, liris 



