Monograph on the Ci/prceidce, hy Mr. Gray. ] 43 



Cypraea Isabella. Lin. Sys. Nat. 1177 ! Martini']. 357. Born. 

 Mus. 183. Schroeter Einl. j. 113. Gmelin 3409. Schreiber's 

 Conch, j. 65. Lamarcky Ann. Mus, xvi. 94. Hist. vii. 390. 

 Dillwyn R. S. 451. 



Icon. Lister Conch, t. 660, f. 4 ! Rumphius t. 39, f. G. Petiver 

 Amb. t. 16, f. 16. Argenville t. 18, f. P. ^worr. iv. t. 9, f. 5. 

 Martini'}, t. 27. f. 275. JSnc//. Method. 355, f. 6. 



2. Decorticata. Flava, obscure fasciata; basialba; extremitatibus 

 luteis. 



Asiatic Ocean, Madagascar, and Mauritius, Lister. Amboyna, 

 Rumphius. Red Sea, Lord Valentia. Mus. Brit. J. Sowerb. Nost. 



/S. fulva. Testa fulvo-flavescens, pellucida j extremitatibus 

 aurantiis. Mus. Dom. Mawe. 



Shell oblong elliptical, nearly cylindrical, grayish fulvous, 

 obscurely three-banded, ornamented with small transverse black 

 lines and very small spots ; side white, scarcely margined, rounded ; 

 extremities rounded, orange yellow ; base flat, with a concavity 

 near the centre of the inner lip ; aperture narrow, linear, scarcely 

 wider in front, teeth small, close, blunt; columella smooth, front 

 slightly concave, smooth, innermost edge denticulated ; spire small, 

 flat; inside white ; axis 1 |, diameter | of an inch. 



When rubbed, it is plain yellow with three obscure bands. Mrs. 

 Mawe pointed out to me a specimen brought from the Red Sea, 

 by Lord Valentia, that is pellucid yelk yellow. 



14. Cyprcea pulchella. 



Testa oblongo-elliptica, subcylindrica, pallide fusca, obscure 

 trifasciata ; basi lateribusque roseis ; marginibus incrassatis rotun- 

 datis ; extremitatibus nigro bimaculatis ; apertura angusta, denti- 

 bus fuscis minutis. 



Inhab. Red Sea, Lord Valentia. Mus. Dom. Children, Mawe^ 

 et Goodall. 



Shell oblong elliptical, nearly cylindrical, very pale brown, 

 with three obscure broad bands, and two dark blackish-brown 

 spots at each extremity ; base and sides rose-coloured ; margin 

 thickened, rounded, slightly prominent in the front ; base flattish, 

 with a concavity near the centre of the inner lip ; aperture 



