SMITH : NEW SPECIES OF SOUTH AFRICAN MARINE SHELLS. 25I 



litis conce?itricis subgranosis circiter decern dihite fusco-punctatis 

 ornata, ad apicem nigrescens ; anfractus octo, plani, sutura profunda 

 sejuncti, liris granosis {in anfr. permit, sex) instructs, ultimus in 

 medio rotunde angulatus, infra planiuscnlus ; apertura oblique sub- 

 quadra ta ; columella incrassala, ca/losa, alba. Diam. maj. 9 ;;/;//., 

 min. 8 / alt. 10. 

 Hab., Durban (Burnup). 



A solid little species, prettily granulated, the granules upon the 

 base being less pronounced than those above, and the thread-like 

 interstices brown. The general tone is a fleshy tint, varied at intervals 

 with brown blotches which are often pale bordered on the left or 

 anterior side. The lowermost row of granules being smaller than 

 those above gives the whorls a channeled appearance at the suture. 



12. Loripes rosacea. (PI. V., figs. 12, 13). 



Testa subcircularis, valde intzquivalvis, pallide rosacea, lineis incremenli 

 concentricis conspicue striata ; valva sinistra mediocriter profunda, 

 dextra plana ; umbones acuti, antrorsum curvati ; pagina interna 

 rosacea ; cicatrix anterior elongata, linguaformis, posterior brevior, 

 latior ; denies cardinis valvar dextra duo, postico majore, dens 

 lateralis anterior conicus, valva sinistra dens cardinalis unicus ; 

 ligamentum internum elongatum, rectum. Longit. 17, alt. 18, diam. 

 6 mm. 



Hab., Durban. 

 This interesting species may at once be recognized by the pale 



rose colour and the unequal valves, of which the right is quite fiat. 



13. Montacuta natalensis. (PI. V., fig. 14). 



Testa minima, oblonga, valde incequilateralis, postice leviter angustata, 

 alba, epidermide tenui lutcscenti induta, lineis i?icrementi striata ; 

 latus anticum rotundatum, prope umbones subconcavum, posticum 

 angustius ; mar go dor si posticus leviter curvatus, declivis, ventralis 

 paulo arcuatus ; umbones curvati, prominentes, longe ante medium 

 siti ; denies duo valval sinistra dive/gentes, prominentes, postico 

 anteriori longiore ; resilium validum ; cicatrices conspicua. Longit. 

 2^ mm., alt. if., diam. 1^. 

 Hab., Unkomaas, Natal (Burnup). 

 Differing from M. bidentata Montagu in form and in the more 



anterior position of the umbones, which are more prominent and 



larger. 

 14- Plicatula squamosissima. (PI. V., figs. 15, 16). 



Testa oblonga, subovata, irregularis, umbones versus angustata, com- 

 pressa, sordida albida, saturate rufo punctulala, radiatim confertirn 

 costata, costis rugosis dense squamulatis, intus olivaceo-fusca, rufo 



