BIVALVE SHELLS. 101 



atis, laminatis ; marginibus undique crenulatis ; lunula ovato- 

 cordiformi, impressa, fulva, irregulariter striata ; valvulis intus 

 alba, extus pallide flavescentibus, maculis rufis irregularibus 

 biradiatis. 



Venus casina, Linn. Syst. Nat. ed. 10. p. 686 ; ed. 12. p. 1130. 



Chemn, Conch. vi. 306. pl. 29. f. 301, 302? 



Schrot. Einl. iii. 115, excl. fig. 



Gmel. p. 3269. no. 7. 



Maton Sf Rack. Linn. Trans. viii. 79. pl. 2. f. 1. 



Mont. Test. Brit. Suppl p. 47. 



Dillw. Cat. i. 165. no. 14. 



Wood, Ind. Test. pl. 7- f. 14. 



Lamk. An. s. Vert. v. 587. no. 9 ; ed. 2. vi. 340. 



Hanley, Descr. Cat. p. 111. 



Loven, Ind. Moll. Scand. p. 39. 



Desh. Encycl. Meth. Vers, iii. 1114. no. 6. 



Philippi, Enum. Moll. Sicil. ii. 33. 



Thorpe, Brit. Mar. Conch. p. 86. 

 - Forbes Sf Hanley, Brit. Moll. i. 405. pl. 24. f. 1, 5, 6. 



Sow.jun. Thes. Conch. p. 726. pl. 160. f. 177-180. 

 Pectunculus membranaceus, Da Costa, Brit. Conch. p. 193. 



pl. 13. f. 4. 

 Venus reflexa, Mont. Test. Brit. Suppl. p. 41. 



Turton, Dith. Brit. p. 142. pl. 10. f. 1, 2. 



Dillw. Cat. i. 168. 



Hanley, Descr. Cat. p. 110; in Wood, Suppl. pl. 16. f. 10. 

 Venus lactea, Donov. Brit. Shells, v. pl. 149. 



Maton 8f Rack. Linn. Trans. viii. 79. 



Mont. Test. Brit. Suppl. p. 46. 

 Venus discina, Lamk. An. s. Vert. v. 586. no. 6 ; ed. 2. vi. 338. 

 no. 6. 



Thorpe, Brit. Mar. Conch. p. 86. 

 Junior. Venus Rasterucii, Payr. Cat. des Moll. de Corse, p, 52= 



pl. 1. f. 26-28. 

 Dosina casina, Gray, Cat. Cyth. Anal. viii. 308. 



Hah, Oceanus Europaeus ; mare Mediterraneum. 



7. Venus consobrina. 



V. testa ovato-subquadrata, valde inaequilaterali, lateraliter com- 

 pressa, rufo-flava, aliquantisper fusco biradiata; antice rotun- 

 dato-obtusa, postice truncata, superne inferneque convexa, 

 transversim profunde et late sulcata, sulcis antice brevioribus, 

 sensim in medio elatioribus, postice laminatis et prominentibus ; 

 sulco minore majoribus interjecto ; lunula ovato-cordiformi, in 

 medio elatiore, subcarinata ; area elongata, angusta, valvse dex- 



