063 



28. Artemis lunaris (pi. cxlii. f. 33), Lamarck, Anim. sans 

 vert. {Cijthercea, no. 46). An Venus lupinus. Poll? 



Art. testa oblique elevata, solida, compressa, prope umbones 

 polita, vix ad margines tenuissime striata; area ligamenti de- 

 pressa, indistincta ; lunula parva, impressa ; umbonibus oblique 

 productis. 



The elevation of the upper part towards the anterior side gives 

 a peculiar obliquity to this shell, which is nearly white, flat, and 

 smooth, excepting at the edges, where very fine strise are just 

 visible. The lunule is small ; the ligamental area formed by a 

 slight depression of the dorsal margin, which is much sloped. 



Gulf of Tarentum. 



29. Artemis ferruginea (pi. cxlii. f. 34), Meeve, Conch. 

 Icon. Artemis, pi. x. f. 56. 



Art. testa ^ carneo-albida, prope umbones subferruginea, solida, 

 suborbiculari, omnino regulariter concentrice minute striata ; area 

 ligamenti depressa ; lunula parva, profunde impressa. 

 . Obhquely Tellinseform, with sloping edges, sometliing like A. lu- 

 iiaris, but wider in proportion, with the hinder part produced. 



Locality unknown. In Mr. Hanley's collection. 



30. Artemis modesta (pi. cxlii. f. 37), Reeve, Conch. Icon. 

 Artemis, pi. ix. f. 54. 



Art^ testa suborbiculari, compressa, superne oblique subelevata, 

 sordide alba, nitente, striis radiantibus obscurissimis notata, con- 

 centrice minute impresso-striata ; area ligamenti angustata, exca- 

 vata; lunula subobliqua, impressa. 



Not so obhque nor so much produced at the upper part as 

 A. lunaris, and having the ligamental area more excavated. 



Locality unknown. In Mr. Cuming's collection. 



31. Artemis hepatica (pi. cxlii, f. 35, 36), Fhilipjji, Abbild. 

 Cythercea, pi. ii. f. 3. 



Art. testa oblique subquadrata, subcompressa, cserulescente vel 

 fulya, prope umbones rufescente et purpureo-maculata, tenuissime 

 striata ; lunula vix impressa ; area dorsali j:)ariim planata. 



Not so inflated as A. Chinensis, and more finely striated, with 

 a distinct although not prominent lunule; colour of a dull 

 ashy-grey, darker near, and orange at, the umboes. The variety 



4 R 



