84 BIVALVE SHELLS. 



2. Circe personata, Desk. • B.M. 



C. testa conipressa ; costis concentricis numcrosis ; margine dor- 

 sali rectiusculo, elcvato, subcomplanato ; lunula distincta; 

 costulis divcrgentibus, prope umbones indistinctis. 



Venus scripta, Ckemn. (non Linn.) Conch, vii. 31. pi. 40. f. 420, 

 421,422. 



(ex i)arte), Dillw. Cat. p. 201. 

 Encycl. MeU.]A.-273.f.5? 

 Cythorua scTii)ta, Lamk. An. s. Vert. v. 5/5. no. 5/. 



Hanley, Descr. Cat. p. 102. 

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



pi. 15. f. 3. 

 Circe scripta, Graij, Cat. Cyth. Anal. viii. 307. 



Sow. Thes. Conch, p. (i51. pi. 139. f. 38, 39, 40, 42. 

 Hub. Oteanus Indicus et Chinensis ; mare Australe. 



3. Circe rivularis. B.M. 



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

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

 dorsali declivi, crenulato; costis distantibus, in-egularibus, 

 interstitiis complanatis. 



Venus rivularis, Born, Test. Mas. p. 72. pi. 5. f. 7- 

 A'enus scripta, var. j3 (pro parte), Gmel. p. 3286. pro fig. Bornii. 

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

 Cytherea rivularis, Menke, Moll. Nov. Roll. p. 42. no. 243. 

 An cadem? Circe rivularis. Sow. Thes. Conch, p. 652. pi. 139. 

 f. 46-48 ? 



Hub. Nova Hollandia. 



4. Circe albida, Desh. B.M. 



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

 mide tenui, tiavesceute, antice rotundata, postice lougiore, dila- 

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

 vexis, in latere pcstico evanescentibus ; umbouibus minimis 

 appressis, obtusis, ])licis aliijuot divergentibus obsoletis, nota- 

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

 salibus circuuidata, plicis latis distantibus uudulatis in latere 

 jiostico ; cardine angusto, impressione pallii a margine remota ; 

 valvis intus candidis. 



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



Hab. Australia. 



6. Circe personata. B.M. 



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



