FISSUREI.LID.E. 215 



cup-shaped species, mottled with pale-brown, and with the ra- 

 diating ribs distinctly nodulous. 



28. galericulata (f. 24), A. Adams. — Oblique conica, capu- 

 liformis, vertice valde curvato, ultra marginem posteriorem de- 

 cumbente, costellis angustis, crenulatis, radiantibus interstitii.s 

 lineis elevatis, transversis, concinne clathratis ; costa autica supra 

 incisuram granulato-punctata ; apertura? margine crenulato, antice 

 profunde inciso. 



29. crassa (f. 21), J. Somerby, Mhi. Con.— Solida, elliptica, 

 conica, postice latior, costis insequalibus minute nodosis radiata, 

 lineis minutis concentricis vix clathrata ; apice elevato, postico, 

 vix declinato. Obs. The ribs have a tendency to associate in 

 bundles, and the cross bars are so minute and faint as to scarcely 

 leave pits between. 



30. puncticulata (f. 14,35), A.Adams. — Elongato-elliptica,de- 

 presso-conica,testacea,apice acuto, subpostico, retrorsum inclinato, 

 costis radiantibus, et liris concentricis, elevatis, cancellata, liris 

 ad costas nodulosis, basi arcuata ; aperture margine excurvato, 

 crenulato, apice profunde inciso. Obs. G. B. S. is of opinion 

 that E. excurvato, of A. Adams is identical with this. Both 

 shells differ from E. crassa in being distinctly and strongly reti- 

 culated. 



31. emexdata (f. 11), Sowb. — Ovalis, conica, fusca, apice 

 elevato, versus marginem posticum recurvo, vix declinato, costis 

 crebris aequalibus, rotundis, striatis et lineis elevatis concentricis 

 ornata ; fissura elongata, antice contracto, ad marginem clausa. 

 Obs. This darkly-coloured shell is remarkable for the slit narrow- 

 ing towards the anterior, till at the margin its edges appear re- 

 united. 



32. tenuicostata (f. 17, 18), Sowb. — Elliptica, elevato-conica, 

 concentrice viridi subfasciata, costis numerosis, noduliferis et striis 

 concentricis minutis concentrice cancellata ; figura profunda, 

 cicatrice post fissuram foveolata. Obs. This species resembles 

 E. puncticnlata, but is much more finely sculptured. It is also 

 less expanded posteriorly than either E. puiicficulata or E. crassa. 



33. punctata (f. 29, 30), A. Adams. — Ovato-conica, albido- 

 ijrisea, pulcherrime viridi punctata, vertice subcentrali, postice 

 inclinato; costis longitudinalibus, majoribus cum minoribus alter - 

 natis, concinne granulatis ; apertura; margine crenulato, excurvato, 

 antice valde fissurato. 



34. variegata (f. 9, 10), A. Adams. — Depresso-conica, alba, 

 vol. in. 2d 



