214 FISSURELL1D.«. 



trice profunda, ad apicem continuata. Obs. Of a light bull' 

 colour, very minutely cancellated. 



20. solidula (f. 47, 48), Phil. — Parva, elliptica, arcuato-de- 

 pressa; costis crebris rotundis, et lineis elevatis minutissimis can- 

 cellata; apice retrorsum inclinato ; fissura linearis. Obs. In this 

 little white species the cross ridges are very minute, and the ribs 

 close and rounded. 



21. striatula (f. 59), Quo//. — Ovato-conica, fragilis, granu- 

 losa, longitrorsum transversimque tenuissime costulata ; vertice 

 obliquo, recurvo, margine crenulato, rima valde excavata. Obs. 

 The ribs are characterized by punctured striae. 



22. crassicostata (f. 41, 42), Soirb. — Ovalis, antice suban- 

 gustata, costis crassis crebris noduliferis radiata, interstitiis clath- 

 ratis, apice postico, dorso arcuato, cicatrice supra suturam carinata, 

 foveolala. Obs. Oval, arched, with thick, rather close, beaded 

 ribs ; the apex very posterior. 



23. reticulata (f. 37, 38, 49), Sowb. Min. Con. — Ovalis, 

 convexo-conica, coslellis longitudinalibus striisque transversis can- 

 cellata, pellucida, albida ; vertice curvo, margine crenulato. Obs. 

 E. reticosa of Adams ; differs in no respect from the well-known 

 British shell, and locality alone cannot be held sufficient to esta- 

 blish a species in the absence of other distinctions. 



24. rosea (f. 22, 23), Bell. — Ovata, conica, alba, translucida, 

 longitudinaliter costata, transversim striata; apice peracuto, valde 

 inflexo, recurvo. Obs. Tins European shell is, when fresh, of a 

 rosy tint. It is coarsely ribbed. 



25. capuliformis (f. 25, 26), Phil. — Augusta, arcuata, dorso 

 perelevato, apice valde recurvo, costis crassis circa 12; liris con- 

 tricis solidis, interstitiis foveolatis. Obs. A small, narrow shell, 

 much more elevated and horn-shaped than E. rosea. 



26. Adamsiana (f. 27, 28), Sowb. — Subrosea, elliptica, costis 

 magnis rugosis cum parvis intermediis radiautibus, et liris ina?- 

 qualibus, omnino minute scabrosis, cancellata, dorso arcuato ; 

 apice post marginem posticum declinato. Obs. This species is 

 much more coarsely ribbed than E. rosea, and the surface of the 

 ribs is minutely cancellated. 



27. maculvta (f. 31, 32), A. Adams. — Depresso-couica, capu- 

 lifonnis, alba, fusco-maculata, costellis radiautibus nodulosis, ver- 

 tice postice inclinato; apertura ovalis, margine crenulato antice 

 profunde fissurato ; fissiua longa, angusta. Obs. A very pretty 



