N ASSA. 



Plate XXII. 



Species 145. (Mus. Cuming.) 



Nassa algida. Nass. testa, ovato-conicd, lavigatd, nitida, 

 oUvaced,fmco et alio strigatd et maculaid ; spird acuta, 

 suturd subimpressd ; anfractibns prope apicem plicatis, 

 ad mturas obsolete rude plicato-nodosis ; colimielld 

 subexcavatd, callosd, labro mibincra-ssato, antice minute 

 denticulato. 



The chilled Nassa. Shell ovately conical, smooth, 

 shining, oUve, streaked and blotched with brown and 

 white ; spire sharp, suture rather impressed ; whorls 

 plaited near the apex, obsoletely rudely pUcately 

 noduled at the sutures ; columella rather excavated, 

 callous, lip rather thickened, minutely denticulated in 

 front. 



Hab. Moreton Bay, Australia ; Strange. 



Of a peculiar livid-olive colour, milk-blotched here and 



there, and painted longitudinally with waved browu streaks. 



Species 146. (Mus. Cuming.) 



Nassa cinisculus. Nass. testa ovatd, subventricosd, 

 fusco-nigrd, albo indistincte zonatd, longitiidinaliter 

 pUcato-costatd, costls liris transversis decussatis ; aper- 

 turd parvd, fauce liratd, columella calloso-landnatd, 

 labro varicoso. 



The little cinder Nassa. Shell ovate, somewhat ven- 

 tricose, brown-black, indistinctly zoned with white, 

 longitudinally plicately ribbed, ribs crossed with trans- 

 verse ridges ; aperture small, interior ridged, colu- 

 mella callous-laminated, Kp varicose. 



Hab. Island of St. Thomas, West Indies. 



A subventricose roughly sculptm-ed cinder-black shell, 



indistinctly zoned round the middle with white. 



Species 147. (Mus. Cuming.) 

 Nassa eutilans. Nms. testa acuminato-ovatd, Icevigatd, 

 nitente, cinereo-olwaceo et griseo longitudinaliter varie- 

 gatd ; spird exsertd, ad apicem teiiuiplicatd ; columella 

 arcuatd, parum callosd, labro crasse varicoso, Icevi. 

 The shining Nassa. SheU.acuminately ovate, smooth, 

 shining, variegated longitudinally with ash-olive and 

 grey ; spire exserted, thinly plaited at the apex ; co- 

 lumella arched, but little callous, lip thickly varicose, 

 smooth. 

 Hab. New Zealand. 



A hard, smooth, acuminated shell, variegated longitudi- 

 nally with a promiscuous blending of ash-olive and grey. 



Species 148. (Mus. Cuming.) 

 Nassa Sturmii. Nass. testa ovato-conicd, subventricosd. 



albidd, fascia cmrnlescente, vittd nigro-fuscn cingulatd, 

 longitudinaliter nodoso-plicatd, nodis obtusis ; aperturd 

 parvd, columelld arcuatd, basi contortd, parum callosd, 

 labro simplici. 



Sturm's Nassa. Shell ovately conical, subventricose, 

 whitish, encircled with a pale blue band and black- 

 brown fillet, longitudinally nodosely plaited, nodules 

 obtuse; aperture small, columella arched, twisted at 

 the base, but little callous, lip simple. 



Philippi, Zeitschi-ift fib- Malac. 1848, p. 135. 



Hab. West Indies ; PhUippi. 



Of a peculiar pale bluish coloiur, with a central fillet of 

 black-brown. 



Species 149. (Mus. Cuming.) 



Nassa Bronni. Nass. testa ovatd, ventricosd, crassd, al- 

 bidd, lavi; spird brem, acutd, suturd impressd; an- 

 fractibus convexiusculis, svperm tmnidis et obsolete 

 ?iodosis ; columelld excavatd, callo crasso late repando, 

 labro late varicoso, antice denticulato. 



Bronn'sWassa. Shell ovate, ventricose, thick, whitish, 

 smooth ; spire short, acute, suture impressed ; whorls 

 rather convex, swollen and obsoletely nodose round 

 the upper part ; columella excavated, with a thick 

 widely spread callosity, lip broadly varicose, denticu- 

 lated in front. 



PuiLiPPi, Zeitschrift fiir Malac. 1848, p. 137. 



Hai. Java. 



It is doubtful whether this is anything more than a 

 variety of N. coronata. 



Species 150. (Mus. Cuming.) 



Nassa Melanioides. Nass. testa cylindraceo-ovatd, 

 temmuld, intense oUvaced, intus purpnreo-nigrd, ni- 

 tente ; spird subobtusd ; anfractibus Icevibus, S2iperni 

 filo-marginati.'i, prope apicem striatis, ultimo basi sul- 

 cato ; columelld subexcavatd, vix callosd, basi appresso- 

 contortd, labro simplici. 



The Melania-like Nassa. Shell cyUndrically ovate, 

 rather thin, dark-olive, interior shining purple-black ; 

 spire subobtuse; whorls smooth, thread-margined 

 round the upper part, striated near the apex, last whorl 

 gi-ooved at the base ; columella rather excavated, but 

 Uttlo callous, appressly twisted at the base, lip simple. 



Hab. Moreton Bay, Australia ; Strange. 



This species, like N. obtusata, has a characteristic fresh- 

 water aspect like that of a Melania. 



December, 1853. 



