RIC INULA. 



Plate IV. 



Species 22. (Mus. Cuming.) 

 EiciNULA CAKBONAKiA. Ric'm. testd ovatd, utrinqite 



altenuatd, tramrmim slriaid, loiiffifudmalilerfoHUer 



costatd, costis didanlibus, liris iransvasis decussatis ; 



nigerrimo varid, aperlurte fauce cmukscente-albd. 

 The coal-black Ricinula. Shell ovate, attenuated at 



both ends, transversely striated, loii£;itudinally strongly 



ribbed, ribs distant, crossed with transverse ridges ; 



variegated with jet black, interior of the apertnre 



blueish-white. 



Hah. ? 



Mainly distinguished by its gibbous growth, aiul the 

 stout swollen character of the ribs. 



Species 23. (Mus. Cuming.) 

 RiciNULA alveolata. Ricin. testd sitbfiisiformi., hngi- 

 ludimUter conspime costatd, costis sulcis transversis^ 

 decussate; lutescente-aUd, costis rufo-fusco pulclierrime 

 tesseUalis. 

 The checkered Eicinila. Shell somewhat fusiform, 

 longitudinally conspicuously ribbed, ribs crossed with 

 transverse grooves ; yellowish white, ribs beautifidly 

 tessellated with red-brown. 

 Purpura alveolata, Kiener, Icon. coq. viv. p. 42. pi. 9. 



f. 23. 

 Halt. Panama; Cuming. 



The ribs of this pretty species have a kind of beaded 

 appearance. 



Species 2-i. (Mus. Cuming.) 

 KiciNULA lauta. Eicin. testd suhfusifornii, medio gib- 

 bosiuscttld, solidd, loitgitudinaliter costatd, costis sulcis 

 Iransversis decimatis ; crerulescente-albd, costis nigro 

 minioque alteriiatim vicide pictis ; columelld labroque 

 intus purpureo-rujis. 

 The gay Eicinula. Shell somewhat fusiform, rather 

 gibbous in the middle, solid, longitudinally ribbed, 

 ribs crossed with transverse grooves ; blueish white, 

 alternately brightly painted with black and vermilion, 

 Hp and columella purple-red. 



Hab. ? 



The colouring of the ribs exhibits a striking contrast. 



Species 35. (Mus. Cuming). 



Eicintjla elongata. Ricin. testd fusiformi, spird acnmi- 

 natd, anfractihm medio angulatis, lorigitudinaliter co-i- 

 tatis, costis ad augulum nodoais, liris Iransversis decKS- 

 satis, interstitiis pecuUariter cavemosis ; extns infnsi/ni' 

 aurantio-lacteis. 



The elongated Eicinula. Shell fusiform, spire acumi- 

 nated, whorls angulatedin the middle, longituilinally 

 ribbed, ribs nodose at the angle, crossed with trans- 

 verse ridges, the interstices being peculiarly caver- 

 nous ; orange cream-colour within and without. 



Purpura elongata, De Blainville. 



Ilab. Island of Burias Philippines (under stones at low 

 water) ; Cuming. 

 Characterized by the cavernous excavations between the 



ridgres. 



Species 26. (Mus. Cuming.) 



Eicinula dealbata. Ricin. testd ovatd, solidiuscidd, 

 traimersim striatd et seriatim tenuinodosd, striis incisis, 

 mibobsciire punctatis ; extus intusque albd. 



The bleached Eicinula. SheU ovate, rather solid, 

 transversely striated and finely noduled, strise en- 

 graved, somewhat obscurely punctured ; white within 

 and W'ithout. 



Hab. ? 



Encircled with fine nodules and engraved striffi in a 



manner somewhat pecidiar 



Species 27. (Mus. Cuming.) 



Eicinula elata. Ricin. testd ovatd, crassd, solidd, ton- 

 gitudinaliter plicato-costatd, costis subobscuris, tuhcr- 

 culis echinatis seriatim armatis, extus intusque albd. 



The elev.yted Eicinula. Shell ovate, thick, solid- 

 longiitudinally plicately ribbed, ribs somewhat ob- 

 scm-e, armed with rows of prickly tubercles ; white 

 within and without. 



Purpura elata, De Blainville, Nouv. Ann. du mus. pi. 1 1 .f. 1 • 



Hab. New Holland. 



Some of the prickly tubercles which characterize this 



species, have a faint indication of brown painting upon 



them. 



October, 1486. 



