26 



Isocardia, Lamarck. 



1623 cor. Lin. 

 Coralliophaga, De Blainville. 



1624 lithophagella, Lamk. 



1625 a. Guerini, Payr. 

 Tapes, Muhlfeldt. 



1626 decussatus, Lin. 



1627 pullastra, Montg. 

 1627* a. perforans, Montg. 



1628 Petetii, Desh. P. 



1629 virgineus, Lin. 



1630 a. sarniensis, Turt. 



1631 b. elongatus, Jeff. 



1632 geographicus, Gmelin. 



1633 aureus, Gmel. 



1634 a - quadratus, Jeff. 



1635 b. ovatus, Jeff. 



1636 c. laetus, Poli. 



1637 d. floridus, Lamk. 



1638 e. bicolor, Lamk. 



Lyocyma, Dall. 



1639 fluctuosa, Gould. 

 Cytherea, Bolten. 



1640 chione, Lin. 

 Callista, Poli. 



1641 convexa, Say. 

 Circe, Schumacher. 



1642 minima, Montg. 

 Dosinia, Scopoli. 



1643 exoleta, Lin. 



1644 a. plicato-striata, Norman. 



1645 lincta, Pult. 



1646 a. compta, Loven. 



1647 b. lupinus, Poli. 

 Venus, Linne. 



1648 verrucosa, Lin. 



1649 casina, Lin. 



1650 a. cygnus, Lamk. 



1651 b. Rusterucci, Payr. 



1652 c. multilamella, Lamk. 



1653 effossa, Biv. 



1654 gallina, Lin. 



1655 a. striatula, F. & H. 



1656 b. laminosa, Montg. 



1657 c. gibba, Jeff. 



1658 ovata, Pennant. 



1659 a - trigona, Jeff. 



1660 rudis, Poli. 



1661 a. mediterranea, Tiberi. 



Venus, Linne. continued. 



1662 mercinaria, Lin. 



1663 a. notata, Say. 



1664 fasciata, Da Cos. 



1665 a- radiata, Jeff. 



1666 b. raricosta, Jeff. 



Lucinopsis, Forbes & Hanley. 



1667 undata, Penn. 

 Gemma, Deshayes. 



1668 gemma, Totten. 



Venerupis, Lamarck. 



1669 irus, Lin. 



1670 Lajonkairei, Payr. 



Petricola, Lamarck. 



1671 lithophaga, Retz. 



1672 pholadiformis, Lamk. 



Ungulina, Daudin. 



1673 oblonga, Lamk. 

 Axinus, J. Sowerby. 



1674 flexuosus, Montg. 



1675 0. polygonius, Jeff. 



1676 b. Sarsii, Phil. 



1677 obesus, Verrill. 



1678 Gouldii, Phil. 



1679 granulosus, Jeff. 



1680 croulinensis, Jeff. 



1 68 1 incrassatus, Jeff. 



1682 eumyarius, M. Sars. 



1683 ferruginosus, Forbes. 



1684 intermedius, Monts. 



1685 cycladius, S. Wood. 



Axinopsis, G. O. Sars. 



1686 orbiculata, G. O. Sars. 

 Diplodonta, Brown. 



1687 rotundata, Montg. 



1688 apicalis, Phil. 

 Donax, Linne. 



1689 politus, Poli. 



1690 vittatus, Da Cos. 



1691 a. turgidus, Jeff. 



1692 trunculus, Lin. 



1693 a. adriaticus, Monts. 



1694 semistriatus, Poli. 



1695 venustus, Poli. 



1696 a. clodiensis, Monts. 



1697 b. Cattanianus, Brus. 



