84 BIVALVE SHELLS. 



2. CiRCE PERSONATA, Desh. B.M. 

 C. testa compressa; costis coneentricis numerosis; margine dor- 



sali rectiusculo, elevato, subcomplanato ; lunula distincta; 

 costulis divergentibus, prope umbones indistinctis. 

 Venus scripta, Chemn. (non Linn.) Conch. vii. 31. pl. 40. f. 420, 

 421, 422. 



(ex parte), Dillw. Cat. p. 201. 

 Encycl Meth. pl. 273,. f. 5 ? 

 Cytherea scripta, Lamk. An. s. Vert. v. 575. no. 57. 



Hanley, Descr. Cat. p. 102. 

 Circe violacea (ex parte), Schumacher, Essai d'une Class. p. 152. 



pl. 15. f. 3. 

 Circe scri])ta, Gray, Cat. Cyth. Anal. viii. 307. 



Sow. Thes. Conch. p. 651. pl. 139. f. 38, 39, 40, 42. 

 Hab. Oceanus Indicus et Chinensis ; mare Australe. 



3. ClRCE RIVULARIS. B.M. 



C. testa complanata, alta, superne subangustata, alba, rubescente, 

 vel palhde lutea vel fusco late radiata, intus rosea ; margine 

 dorsah declivi, crenulato; costis distantibus, irregularibus, 

 interstitiis complanatis. 



Venus rivularis, Born, Test. Mus. p. 72. pl. 5. f. 7- 



Venus scripta, var. /3 (pro parte), Grael. p. 3286. pro fig. Bornii. 



Venus corrugata (ex parte), Dilhv- Cat. i. 201. no. 98. 



Cytherea rivularis, Menke, MoU. Nov. Holl. p. 42. no. 243. 



An eadem? Circe rivularis, Sow. Thes. Conch. p. 652. pl. 139. 

 f. 46-48 ? 

 Hab. Nova Hollandia. 



4. CiRCE ALBIDA, Dcsh. B.M. 

 C. testa subquadrata, insequilaterali, depressa, alba, sub epider- 



mide teuui, flavescente, antice rotundata, postice longiore, dila- 

 tata, late truncata, transversim regulariter striata, striis con- 

 vexis, in latere postico evanescentibus ; umbonibus minimis 

 appressis, obtusis, phcis aliquot divergentibus obsoletis, nota- 

 tis ; lunula minima, depressiuscula, lanceolata, phcis transver- 

 salibus circumdata, plicis latis distantibus undulatis in latere 

 postico ; cardine angusto, impressione pallii a margine remota ; 

 valvis intus candidis. 

 Circe scripta, var., Sow. Thes. Conch. pl. 139. f. 41. 

 Hab. Australia. 



5. ClRCE PERSONATA. B.M. 



C. testa suborbiculato-trigona, depressa,lenticulari, inaequilaterali. 



