ARTEMIS.— Plate X. 



lari, temii, valdi compressd, sub leiite rmUatini im- 

 presso-striatd, eoncentrice creherrime tenuistriatd, striis 

 ad latera paucioribus, elevatiusculis, svhcorrugatia, area 

 Ugaiiienti laUusculd, subplanidatd, lunula peculiariter 

 dowjato-cordatd ; Jlavicante-alhd. 

 The long-lunuled Artemis. Shell somewhat squarely 

 orbicular, thin, very much compressed, radiately im- 

 pressly striated beneath the lens, concentrically very 

 closely finely striated, striffi fewer in number at the 



sides, slightly raised and corrugated, area of the 

 ligament rather broad, a little flattened, lunule pecu- 

 liarly elongately cordate ; yellowish-white. 



Hab. ? 



Approaching A. penicilMa in form, but distinguished 

 from it in detail of sculpture, and in the elongated exten- 

 sion of the lunule. 



