f2 SOWERBY: MARINE SHELLS OF SOUTH AFRICA. 



much from the typical forms, and chiefly in the equahty of 

 the valves. The hinge, however, is that of a Paniiora, 

 although the club-shaped tooth is much more iiioniiiient 

 than in any other species with which I am acquainted. 

 The oblique ridge holding the ligament is similar to that of 

 r. claviculata Cari)enter. 

 Raeta pellicula Deshayes, — Reeve, 'Conch. Icon.,' Madr.r, 

 pi. 2 1, fig. 124. A single valve from Durban. 



Semele cordiformis Chemnitz. — Reeve, 'Conch. Icon.,' 



Ainf'kidt-si/m, ])1. 5, fig. 30. Natal. 



Psammobia burnupi Sowb,, n. sp. 



Testa fll'IoHga, (cq nivalis, inceqiiilatemlis, planiilatu, nnticc 

 rotundat'7, postice triincafa, ubique concentrice striata, liileo- 

 fiisco tiiicta, fasciis fuscis irregulariter iiotata, lineis fuscis 

 minutis divei\iie?itibus venifoi mibus pida ; umhoncs ncu.'i, 

 hand prominentes ; titaigo dorsalis anticus longiis, la'ilcr 

 airvatus ; anticus curtus leviter declivis, obtuse angnlalns : 

 ma rgo ventral is rediusculus anticus lotundatus, posticus ob~ 

 tnse angulatns ; ligawcntuni externnni, mediocritcr longnin ; 

 cordo tiorinalis ; pagina interna saturate { ui purer. 



Antcropost. 2S, unibonn-niarg. /./ inilliin. 



Hab. Natal {Burn up). 



I 'ar. /i — sordide lutea, obscure radiata ; patina interna albida 

 pallide luteo-fusco tincta. 



Tellina dispar Conrad — .Sowb.,'Thes. Conch.,' vol. i , p. 306, 

 pi. 59, fig. 108, Natal. 



Tellina virgata Linn. — Sowb, 'Thes. Conch., vol. i., p. 228, 



pi. 63, fig. 212. Natal. 

 Tellina rastellum Hanle\'. — Sowb., 'I'hes. Com h.,' vol. i., 



p. 225, pi. 64, fig. 231. Natal. 



Tellina (Macoma) candidata Sowb., n. sp. 



Testa sub-oblique ovalis, icquivalvis, incequilateralis, leviter in- 

 flata, alba, glabra, nitcus. Unibones acutiusculi, leviter 

 prominentes, conjuncti. Margo dorsalis utrinque declivis ; 

 anticus longiusculus ; posticus brevior, inajis declivis. Margo 

 vent rails leviter arcuatus. Lotus anticuin lotundatuni ; posti- 

 ciun obtuse biangulatuui. 



.1 C \oi. vii., -\pi-il i:^Q.i. 



