86 BIVALVE SHELLS. 



laevipratii ; iimbonibus divaricatim rugatis ; lunula et area dor- 

 sali subpurpureis. 



Cytherea, Savigmj, Descr. d'Ef/ypte, pi. 9. f. 3. 

 Circe crocea, Gray, Cat. Cyth. Anal. viii. 307. 



Sow. Thes. Conch. ]). (J53. pi. 13!^. f. 49-52. 

 Cytberea crocea, Hanley, Descr, Cat. p. 103. 



Hob. Mare Rubrum. 



9. Circe oblonga, Desk. B.M, 



C. testa ovata, transversa, suba?quilaterali, in medio convexa, ad 

 marsrines acuta, alba, sulj epidermide flavesceute, transversini 

 regulariter sidcata, sulcis aqualibus obtusis, postice attenuatis, 

 evanescentibus, margine dorsali antico et postico rectis angu- 

 lum apertissimum inter se fonnantibus ; latere antico obtuso, 

 postico latiore ; umbonibus minimis appressis ; lunula viUva- 

 que planis lauceolatis, intus pallide purpurascente. 



Hab. ? 



10. Circe plaxata. 



C. testa minima, ovato-trigona, subrequilaterali, depressa, alba, 

 pellucida, transversim tcnuiter striata; umbonibus minimis, 

 lunula parva, lanceolata, linea impressa distincta, vulva pro- 

 funda, augusta. 



Gray, in Anal. (1838) Cat. Cyth. p. 30/. 

 Hanley, Descr. Cat. p. 103. 



Hab. ? 



11. Circe sulcata. 



C. testa oblique rotundato-trigona, lenticulari, depressa, minute 

 transversim sulcata, fusca, vel fulva, aut grisea fulvo fuscove 

 radiata et vai-iegata ; lunula plana, elongato-lanceolata ; area 

 lunulaque minute divaricatim striatis. 



Circe sulcata. Gray, in Anal. (1838) viii. 107. 

 Cytberea sulcata, Hanley, Descr. Cat. p. 103. 

 Cytberea ])lebeia, Hanley, Proc. Zool. Soc. 1844, p. 109. 



Hanky, in Wood, Ind. Sup. pi. 15. f. 'ST. 

 Cjtberea erythrtca, Jonas, in Phil. Abbild. Conch, iii. 39. pi. 9. f. 2. 

 Circe plebeia, Sow.jun. Thes. Conch, p. 650. pi. 138. f. 33-37. 



Hab. Insuhc Philipjnncnses {Cuming). 



12. Circe Artemis, Desh. B.M. 

 C. testa orbiculato-lcuticulari, depressa, ina;quilaterali, transversim 



