496 Mr. Gray's Monograph on the Ci/prccidce. 



the lips; columella smooth, flat ; inside purple. Axis i^, diameter 

 i§ of an inch. 



When this shell is young it is ovate-oblong, as the margin is only 

 slightly thickened, when Gmelin considered it as a distinct spe- 

 cies ; and when it is worn the back is purple or pale chesnut- 

 brown,but it may be distinguished by the pale spot over the grooves 

 of the aperture. 



64. Cyprcea Mus. — The Mouse Cowry. 



Testa ovata, gibba, cinerea, pallida, marmorata, posterius sub- 

 tuberculata, maculaque fusco-sanguina insignata ; linea dorsali 

 alba, guttis rufo-fuscis utroque latere seriatim picta ; marginibus 

 incrassatis subdepressis undulatim nebulosis ; dentibus rufo-fuscis 

 parvis. 



Cypraea Mus. Lin. Sys. Nat. 1176 ! Martini, j. 325. Born. 

 Mus. 182. Schroeler Einl. j. 110. Gmelin 3407. Schrciber's 

 Conch. 63. Lamarck Ann. Mus. xvi.451. II is I. \\'u 381. Dill- 

 wyn, R. S. 448. 



Icon. Rumphius Amb. t. 39, f. S. P ether. Amh. t. 16. f. 4. 

 Argenville t. 18. f. E.. Seba, iii. t. 76. f. 33, 34. Knorr. vii. t. 

 12. f. 3. Favanne t. 30, f. A. Martini j. t. 23, f. 222, 223. 

 Ency. Method, t. 354. f. 1. 



2. Incompleta. Testa ovata, umbilicata, albido-cincrca, poste- 

 rius macula fusca notata, lineis transversis flexuosis undatim, 

 pictis ; marginibus cinereis subnebulosis. 



3. Fossilis. Testa subincolorata, casteris priori similis. 

 Inhabits American and Mediterranean Seas. Gmelin. Coast of 



Carthagena, Linnwus. Guinea, Humphreys. Mus. Brit. Nost. 

 3. Near Fiorenzolain Plaisantin, Lamarck. 



Shell ovate, rather gibbous, ash-coloured, marbled with pale 

 veins ; the hind part just over the spine, when full grown, has 

 two or three blunt tubercles, and a large dark reddish-brown spot, 

 somewhat similar to that just over the posterior groove of Cyprwa 

 stercoraria ; the dorsal line is pale, nearly central, with a series of 

 dark reddish-brown spots on each side, which are not visible in the 

 young and worn shells ; the spire concave, covered ; the margin is 



