661 



Sect. 3. Dorsal edge simple ; Innule expanded and indistinct. 



20. Artemis Chinensis (pi. cxli. f. 23, 24), Chemnitz, 

 (Venus), pi. 171. f. 1663. Cyprina tenuistria, Lamarck. 



Art. testa oblique subquadrata, inflata, concentrice irregulariter 

 striata, striis elevatiusculis, radiatim tenuistriata ; umbonibus la- 

 teralibus ; margine dorsali elevato, simplici ; lunula nulla ; mar- 

 gine ventrali et laterali intus crenatis ; fulva, nonnunquam pur- 

 pureo-fasciata. 



This species has no distinctly-marked lunule. It is rather 

 square and inflated, of a fawn-colour, beautifully banded with 

 purple ; the inner edge crenated. 



China; Korea. 



21. Artemis orientalis (pi. cxliv. f. 79), Sowerby, jun. 



Art. testa rotundata, ventricosa, concentrice et radiatim ad latera 

 vix striata, pallide aurantia, prope marginem ventralem rubes- 

 cente ; intus margine crenato ; lunula nulla. 



A fine specimen of this rounded, ventricose shell from Japan, 

 has recently come into Mr. Cuming's possession. It is much 

 more round, smooth, and solid than A. Chinensis. 



Japan. 



22. Artemis inflata (pi. cxli. f. 25), Sowerby, jum. 



Art. testa subrotundata, alba, tenuissime concentrice striata ; 

 lunula nulla, intus fulva ; margine leevi. 



Like A. Chinensis, but rounder and without the crenulations 

 on the inner edge. 



Locality unknown. 



23. Artemis tenuis (pi. cxli. f. 22), Soioerby, jun., Conch. 

 Icon. Artemis, pi. ix. f. 53. 



Art. testa, inflata, tenui, alba, oblique subquadrata, vix striata ; 

 lunula nulla ; margine dorsali simplici, elevata ; intus margine laevi. 



In form like A. Chinensis, but smooth, and without crenations 

 on the inner edge. It is not so oval or sloping at the dorsal 

 edge as A. inflata. 



Locality unknown. 



24. Artemis subquadkata (pi. cxli. f. 27), Hanley, Wood's 

 Ind. Test. Suppl. pi. xv. f. 39. 



Art. testa subquadrata, tenui, inflata, straminea, post medium 



