BIVALVE SHELLS. 87 



regulariter sulcata, ad umbones divaricatim striata; lunula 

 vulvaque transversim striatis, sulcorum interstitiis tenuiter et 

 obsolete longitudinaliter striatis ; alba, lunula vulvaque fusco 

 punctatis ; luuula ovata, plana ; valvis intus profunda fuscis, 

 marginibus albis. 



Hub. ? 



Species maguitudiue unguis poUicis, circulai'is et lenticularis 

 sicut in Dosiuia. 



13. Circe tumefacta. 



C. testa subventricosa, subobliqua, marginibus medio subrotun- 

 datis, projie umboues inllata, leviter divaricatim costata ; mar- 

 gine dorsali declivi, subcomplanato ; lunula complanata; colore 

 albido, jjlerumque rufo-scripto. 



Cii'ce tumefacta, Sow. Thes. Conch, p. 652. pi. 138. f. 28-30. 



Hab. ? 



14. Circe australis. 



C. testa postice subquadrata, costulis divergentibus, prope mar- 

 ginem anticum costulis divergentibus brevibus, in medio an- 

 gularibus concentricis ; colore pallide fulvo, lineis divergentibus 

 et maculis fulvis ; intus purpiurascente-fusco nebulato, ad 

 marginem nigro-punctato. 



Circe australis. Sow. Thes. Conch, p. 651. pi. 137. f. 16, 17 (non 

 C. australis, Qiioy et Gaim.). 



Hab. Australia. 



15. Circe minima. B.M. 



C. testa ovato-trigona, subcompressa, subsequilaterali, transversim 

 striata ; alba vel grisea, fusco aut flavo maculata, intus alba, 

 dentibus cardinalibus duobus; impressione pallii postice inflexa. 



Turt. Brit. Biv. p. 137. 

 Hanky, Descr. Cat. p. 95. 

 Thomps. Fauna Irel. {Inv.) p. 262. 

 Venus minima, Mont. p. 121. pi. 3. f. 3. 



Mat. Linn. Trans, viii. 81. 



Turt. Brit. Fauna, p. 13/ & 158. 



Turt. Conch. Diet. p. 236. 



Pennant, Zool. Brit. iv. p. 203. 



Dillw. Cat. i. 166. 

 Wood, Ind. Test. pi. 7. f. 17. 



