NASSA. 



Plate XXVII. 



Species 177. (Mus. Cuming.) 



Nassa striata. iVa.j.s. tedd eloiigato-conicd, alhidd, 

 Jlavescente tinctd, fortiter longHudinaliter costatd, 

 transvermn detm cancellato-striatd ; apertnrd parvi- 

 Huculd, columelld mhrucjom, lahro varkoso. 



The striated Nassa. SLeU elongately conical, whitish, 

 tinged with yellow, strongly longitudinally ribbed, 

 transversely densely canoellately striated ; aperture 

 rather small ; columella subrugose, lip varicose. 



C. B. Adams, Panama Shells, Annals Lyceum Nat. Hist. 

 New York, vol. v. p. 289. 



Hab. Taboga. 



Has somewhat the aspect of a discoloirred N. versicolor. 



Species 178. (Mus. Cuming.) 



Nassa nucleolus. Nass. testa conicd, soUdiusculd, aJhd, 

 basi rufo-fuscd, longitudinaliter costatd, costis subdis- 

 tantibus, interstitiis tramversim tenuiliratis ; aperturd 

 parvd, circulari, columelld tenuirugosd, labro dense 

 varkoso, intus sulcato. 



The little kernel Nassa. Shell conical, rather sohd, 

 white, red-brown at the base, lougitudiuaUy ribbed, 

 ribs rather distant, with the interstices transversely 

 finely ridged ; aperture smaU, cu'cidar, columella 

 finely wrinkled ; hp thickly varicose, grooved within. 



Philippi, MS. in Mus. Cuming. 



Hab. ? 



A small, rather solid species, distantly ribbed, with a 

 small circular grooved aperture. 



Species 179. (Mus. Cuming.) 



Nassa labida. Nass. testd acunimato-ovatd, bad trim- 

 catd, palUdd, sublivkld, nitente, longitudinaliter cal- 

 loso-costatd, costis anfractus nltimi tenuibus, nume- 

 rosis, confertis ; columelld calloso-expansd, nitente, 

 aperturd parviusculd, fauce sulcata, labro simplici. 



The slippery Nassa. Shell acuminately ovate, trun- 

 cated at the base, pale, rather Kvid, shining, longi- 

 tudinately callously ribbed, ribs of the last whorl 

 fine, numerous, and close-set ; columella callously 

 expanded, shining, aperture rather small, interior 

 grooved, lip simple. 



Hab. ? 



A very characteristic species, sculptured with a profu- 

 sion of shining callous ribs, which are large and rather dis- 

 tant in the early whorls of the shell, but very numerous 

 and close-set in the last whorl. 



Species 180. (Mus. Cuming.) 



Nassa delicata. Nass. testd ovato-conicd, subpellucidd, 

 aliidd, fascid angustd fused macuUsqne fuscis ornutd, 

 longitudinaliter costatd, costis planulatis superne no- 

 dosis, interstitiis lineis elevatis transversis clathratis ; 

 columelld callosd, antice tenue quadriplicatd, labro va- 

 ricose, intus fortiter lirato. 



The delicate Nassa. Shell ovately conical, subpellu- 

 cid, whitish, ornamented with a narrow brown band 

 and brown spots, longitudinally ribbed, ribs rather 

 flat, nodose at the upper part, interstices latticed with 

 raised transverse lines ; columella callous, with four 

 fine plaits in front, Up varicose, interior strongly 

 ridged. 



A. Adams, Pro. Zool. Soc. March 1851. 



Hab. Sorsogon, Island of Luzon, Philippines (in coarse 

 sand at six fathoms) ; Cuming. 



A short, solid, subtransparent species, sparingly blotched 

 with brown, strongly ribbed. 



Species 181. (Mus. Cuming.) 



Nassa densigranata. Nass. testd ovatd, transversim 

 lineari-sulcatd, longitudinaliter dense plano-granatd, 

 albidd, fuscescente tinctd et fnsco-macidatd ; anfrae- 

 tibus ad suturas plicato-nodulosis ; columelld brevi- 

 contortd et callosd, labro simplici. 



The close-grained Nassa. Shell ovate, transversely 

 linearly grooved, longitudinally densely flatly grained, 

 whitish, stained with light brown and brown blotched; 

 whorls plicately noduled at the sutures; coliuneUa 

 short-twisted and callous, lip simple. 



Hab. PhUippiue Islands ; Cuming. 



A characteristic close-grained species, plicately noduled 

 at the sutures, more or less stained throughout with red- 

 brown, and blotched here and there with darker brown. 



Species 182. (Mus. Cuming.) 

 Nassa Maderensis. Nass. testd acuminata, transversim 

 March, 1851. 



