IfiO BIVALVE SHELLS. 



lati, pallii inipressio postice profunde sinuosa ; sinus semi-ovalis, 

 subhorizontalis. 



Tdlina, Lister (1^85), Conch, pi. 402, &c. 

 Pectiinculns, Lister (1685), Conch, pi. 269, &c. 

 Chama, Kumphius (1711). Amb. ])1. 43. 



Gualtieri (1742), Ind. pi. 86, &c. 

 Venus (ex parte), Linn. (1758), Syst. Nat. ed. 10. p. 690; ed. 12. 

 p. 1135. 



Chemnitz, Schrbter, Gmelin, Lamarck, Cuvter, Dillwyn, 

 Wood, Sfc. (^'c. 

 Cuneus, Da Costa (1778), Conch. Brit. p. 102. 

 Callista, Callistoderma (ex parte), Poli (1795), Test. Sicil. ii. 

 Paphia (ex parte), Bolten (1798), Mus. (ed. 2, 1819, p. 122). 

 Tapes, Megerle (1811), Entw. p. 51. 



Schumacher (1817), Essai d'une Class, p. 136. 



Gray (1842), Syn. Brit. Mus. p. 75; (1847) Proc. Zoo/. 

 Soc. p. 184. 

 Pullastra (ex parte). Sow. (1827) Genera of Shells, Zool. Joum. 

 iii. 134. 



Anton (1839), Verz. Conch, p. 8. 



fieere (1841), Conch. Syst. i. 95. 



Sow.jun. (1842), ConcA. A/an. p. 239. 



Morris (1843), Brif. Foss. p. 160. 



Desk. (1848), Traite Elem. i. 519. 



Synopsis Specierum. 



I. Testa transversim sulcata vel striata. 



a. Sinus pallii obliqu^ ascendens, 1-13. 



b. Sinus pallii horizontalis, 14-50. 

 II. Testa decussata, 51-65. 



III. Testa longitudinaliter striata, 66-68. 



IV. Testa corrugata, 69-73. 



I. Testa transversim sulcata vel striata. 

 a. Sinus pallii ohliqui ascendens. 



1. Tapes malabarica. B.jM. 



T. testa ovato-oblonga, tuniida, subcordata, antice angustiore, 

 postice subsinuata, transversim dense striata, s»pius Havo-ci- 

 nerea vel cinerea quadriradiata, radiis obsciu-ioribus intus roseo- 

 purpurasoente ; niargine superiore antico excavato ; lunula 

 magna, ovato-cordata, la;vigata, saepius pallida, livida. 



