1863.] MR. A. ADAMS ON NEW MOLLTJSCA. 509 



There is a large, rounded, ascending scale on the whorls between 

 the solid buttress-like varices, which ktter are spiny at the hinder 

 part. 



9. Marginella deburghi, a. Ad. 



M. testa elongato-ovoidea, polita ; spira ohtusa, callo castaneo 

 obtecta ; ]}alHde carnicolore, rnaculis sanguineis rotundatis in 

 seriebiis transversis dispositis, majoribus cum minoribus alter- 

 nmitibus, pulcherrime picta : apertura angusta, antice subdita- 

 tata ; columella nuda, plicis 5 obliquis ; labro intus sulcata, 

 margine incrassato. 

 Long. 51 lines, lat. 2\ lines. 

 Hab. Swan River {Coll. Cuming, et De Burgh.). 

 A very charming species, painted with red spots disposed in re- 

 gular cross rows, and with intermediate dotted lines of the same 

 colour. It is named in compliment to Mrs. De Burgh, a lady well 

 known for her knowledge of shells, and the possessor of a very 

 splendid collection. 



10. LlMATULA japonica, A. Ad. 



L. testa oblonga, cequilaterali, ventricosa, tenui, alba; area car- 

 dinali transversa, recta; auribus mediocribus, acutis ; longitu- 

 dinaliter radiatim tota costata, costis eequalibus acutis ; con- 

 centrice striata, striis sublamellosis imbricatis ; margine ven- 

 trali crenato. 

 Hab. Japan {Coll. Cuming.). 



A broader and more ovate species than L. bullata, Chemn., with a 

 straight hinge-margin, small acute auricles, and conspicuous sharp 

 radiating ribs. 



11. LlMATULA falklandica, A. Ad. 



L. testa ovatd, ventricosa, cequilaterali, alba ; area cardinali vix 

 arcuata ; auribus parvis, acutis ; longitudinaliter radiatim 

 tota costata, costis confertis eequalibus subacutis ad latera 

 obsoletis ; concentrice striata, striis undulatis validis ; margine 

 ventrali crenato. 



Hab. Falkland Islands (Coll. Cuming.). 



A broader species than L. japonica, with numerous close-set ra- 

 diating ribs, which are obsolete or wanting at the sides. 



12. LlMATULA CEYLANICA, A. Ad. 



L. testa ovata, ventricosa, vix obliqua, cequilaterali, alba, radia- 

 tim costata, costis eequalibus acutis crenidatis ; concentrice 

 striata, striis confertis imbricatis sublamellosis ; auribus acutis, 

 parvis ; area cardinali angusta, recta ; margine ventrali cre- 

 nulato. 

 Hab. Point de Galle (Coll. Cuming.). 



A species about the same size as the European L. subauriculata, 

 but more ventricose and less elongated, and with the ribs acute and 

 finely creuulated. 



