110 TESTACEOUS MOLLUSCA. 



t. 67.— List. t. 33G./ \7S.~Knorr. 6. t. 10. f 1.— V. Reticu- 

 lata. W. t. 8. f. 66. Rounded heart-shaped, strong, gibbous, 

 whitish with brown rays, speckled near the beaks and stained with 

 the same colour on the anterior side, which is angulated and its 

 edge almost direct and straight ; decussated by tolerably close-set 

 fimbriated membranaceous lamellae and crowded obtuse radiating 

 riblets ; ventral edge arcuated but not rounded, ligamental sloping ; 

 lunule heart-shaped and projecting : one of the lips overlapping 

 the base of the anterior depression : within with an anterior purple 

 stain. 3. — Indian Ocean. 



V. Listeri. — Dosina L. Gray in Analyst. 1838. — V. Puer- 

 pera. Var. 2. Lam. — E. t. 278. f. 2. — V. Puerpera. W. t, 

 1#7 f. 67. — Young t \. Reticulata. Lam {?wt Lin.) Closely 

 resembling the last, but the membranaceous lamellae closer, finer, 

 and more fimbriated, especially on the anterior side, which is 

 not stained with brown, nor is its margin straight : ligamental edge 

 scarcely at all sloping : inside not stained with purple. 3. — 

 Indian Seas. — Colour usually white with ferruginous zigzag 

 markings. 



V. Pygmea. Lam. 3. Small, ovate, rather depressed, with 

 curled and wavy transverse ridges, somewhat decussated, whitish 

 spotted with brown and rufous : anterior slope lamellar, beaks rosy. 

 -J. — W. Indies. 



V. Reticulata. Lin. Mus. Ulr. p. 503.— D. p. 188.— V. 

 Corbis. Lam. A.~Ch.f. 382, 3.-E. t. 276./. 4.— List. £.335. 

 f. 172. Heart-shaped, slightly rounded, tumid, white, with pale 

 chesnut or brownish spots often disposed in rays, and concentric 

 rather depressed, somewhat granular ridges which are decussated 

 by longitudinal raised ribs ; the profound and wrinkled lunule 

 defined by a groove ; white within, with the margin indistinctly 

 crenulated and the hinge saffron-coloured or stained with rose. 

 2 . . 2\. — Indian Ocean. 



V. Crenulata. Lam. 5.—D. p. 189.— W. t. 8. f. 68.— 

 V. Crenata. Gmel. 3279. — Ch. f. 385. Heart-shaped, with 

 transverse moderately elevated membranaceous ridges, which are 

 crenulated by indistinct longitudinal striae, whitish with tawny 

 spots disposed in rays, and the lunule brown and widely heart- 

 shaped ; uniform white within and the posterior margin strongly 

 crenulated. 1 § . — India. 



V.Reflexa. Mont. sup. p. 40. and 168.— Tart. B.t. 10. f. 1, 2. 

 —V. Discina. Lam. 6. —Phil. p. 42.— Bl. t. 75./. 6.— -V. Ruste- 

 rucci. Payr.f. 26, 7, 8. Rounded obovate, sub-cordate, com- 

 pressed, anterior slope excavated, very pale flesh-colour with obsolete 

 red spots forming indistinct rays ; concentric ridges posteriorly 

 rather depressed, rising into thin waved and deflected plates an- 

 teriorly : lunule elongated heart-shaped, wrinkled. If. — Europe. 



V. Verrucosa.* Lin. 1130.— D. p. 163.— lam. 7 '.—Ch. f. 



