ARTEMIS. 431 



A. LiNCTA, Pulteney. 



Strise extremely delicate and most closely disposed ; surface 

 not rayed or variegated ; hinder dorsal edge curved and mode- 

 rately sloping ; posterior dorsal area flattened. 



Plate XXVIII. Fig. 5, 6. 



Lister, Hist. Conch, pi. 290, f. 126. 

 Venus lincta, Pulteney, Hutchins, Dorset, p. 34. 

 Venus exoleta, Penn. Brit. Zool. ed. 4, vol. iv. p. 94, pi. 56, f. 49. 

 " " Var. Linn. Trans, vol. viii. p. 87, pi. 3, f. 2.— Dorset Catalog, p. 35, pi. 



1, f. 13. 

 Venus sinuata, Turt. Conch. Diction, p. 242. 

 Ci/therea liticta. Lam. Anim. s. Vert. (ed. Desh.) vol. vi. p. 315. — Flem. Brit. 



Anim. p. 445. — Macgilliv. Moll. Aberd. p. 262. — Brit. 



Marine Conch, p. 84. — Hanl. Recent Shells, vol. i. p. 102. 

 CylTierca sinuata, Turton, Dithyra Brit. p. 163 (not var. nor figure). 

 ArtJtemis lincta, Deshaves, Elem. Conch, pi. 20, f. 12, 13. — Brown, 111. Conch. 



G. B. p. 92, pi. 36, f. 2, 4.— Philippi, Neu. Conch, (not 



Cytherea lincta of Moll. Sicil.) vol i. p. 171. 



The contour of this shell is suborbicular as, indeed, 

 is more or less the case in every Artemis, and the breadth 

 of the adult habitually, but not invariably, exceeds the 

 length. The valves are opaque, more or less strong, and 

 ventricose or subventricose when mature, their profundity 

 rapidly decreasing from the centre. The surface is more 

 or less glossy, of an uniform soiled ivory white (occasionally 

 tinged with livid brown, or with the umbones richly stained 

 with orange), and is never rayed or variegated with colour- 

 ed markings. The concentric strise which form its sole 

 sculpture, there being neither lateral lamellse, nor radiating 

 lines, are most closely and delicately engraved, and, by 

 slightly widening at each extremity, convert their in- 

 terstices into fine elevated and crowdedly- arranged stria;. 

 The ventral margin is much arcuated, ascending in an un- 

 interrupted sweep on either side to the dorsal edges, so that 



