668 



47. Artemis livida (pi. cxlii. f. 55, copied), 'PUllppi, Ab- 

 bild. Cyth. pi. v. f. 4. A. Orbignii, var.? FA. 



Art. testa A. Orhlgnii simili, sed magis compressa, postice an- 

 gulata, striis magis confertis, ad latera angulatiin terminatis. 



It is not easy either to identify this species, or to distinguish 

 from it A. aspera, Eeeve, excepting in colour. It is hke A. Or- 

 bignii in some respects, but is Hatter, more angular, and with the 

 striffi more numerous and raised at the sides. 



Locality unknown. 



48. Artemis aspera (pi. cxliii. f. 56), Reeve, Conch. Icon. 

 Art. pi. ix. f. 49. 



Art. testa suborbiculari, tumida, pallide fulva, concentrice 

 striata, striis elevatis creberrimis, acutis, ad latera panels elevati- 

 usculis ; area ligamenti excavata ; lunula parva ; umbonibus pro- 

 minulis. 



Of a dull whitish-brown colour, very finely and sharply striated, 

 with the striae shghtly elevated at the sides, particularly at the 

 edge of the ligamental area, which is peculiarly canaliculated, 

 with the inner edges shghtly raised ; the umboes are produced. 



Manilla ; in sandy mud at low water. Cuming. 



49. Artemis canaliculata (pi. cxliii. f. 58), 8owerhj,pm. 



Art. testa parva, tumida, sordide alba, minutissime striata, 

 striis ad latera elevatiusculis ; umbonibus prominentibus, acutis ; 

 area ligamenti duplicata. 



Striated like A. hiscocta and A. aspera, and remarkable for the 

 canahculated appearance given to the ligamental area by the ele- 

 vation of the dorsal edges. 



Manilla, island of Luzon. Cuming. 



50. Artemis scabuiusctjla (pi. cxliii. f. 59), PJdlippi, Ab- 

 bild. Cyth. pi. V. f. 2. 



Art. testa suborbiculari, latiore quam alta, albida, postice sub- 

 an'Tulata, tenuissime striata, striis ad latera acute laminatis ; area 

 ligamenti lata, excavata, ad marginem serrata ; lunula impressa. 



Eather transversely tending to oval, with numerous, close, very 

 fine ridges, which, at the sides, are produced into lamina? ending 

 in points, so as to serrate the margin of the ligamental area, 

 which is broad and excavated. 



Locahty unknown. 



