196 



684. Codakia, Scopoli, 1777. Chama codok, Adans. 1757. Ch. 

 codok. 



Lenticularia, Schum. 1817. Ven. punctata. 



Orbiculus /3, Megerle, 1811. Cytherea, sp. Lamk. Lucina, sp. 

 Soiv . Venus tigrinus. 



Fam. IX. UNIONIM. 



685. Anodonta, Cuvier, 1798; Lam. 1801. Anodon, Oken, 1815. 

 Lymnea and Lymnoderma, sp. Poll, 1795 ; not Lam. Mytilus, 

 sp. Linn. Mytilus a, Schum. 1817. Glochidium, Rathke (very 

 young). Myt. anatinus. 



Strophilus, Rafinesq. 



Lostena, Rafinesq. 



Patularia, Swains. 1840. A. ovata. 



686. Margaritana, Schum. 1817. Baphia, Gevers, 1787. Damalis, 

 Leach, 1819. Unio, Turt. 1822. Mya, sp. Linn. Unio, sp. 

 Lam. 1818. Mya margaritifera. 



Unio, Lam. 1810. Unio littoralis. 



Potamida, Swains. 1840. " Damalis, Leach.''' Unio sinuata. 



Complanaria, Swains. 1840. C. gigas. 



Uniopsis, Swains. 1840. U. mytiloides. 



Alasmodonta, Say ; Swains. 1840. Alasmedonta, Say. Alasmo- 



don, Sow. Alasmesodonta, Blainv. 1825. Monodonta, Say, 



1817; not Lamk. A. undulatus. 

 Symphonota, sp. Lea. Lymnadea, Swains. 1840. L. alata. 



687. Monocondylea, D'Orb. 1835. Monocondyla, Gray, 1840. M. 

 paraguayana. 



688. Unio, Retzius, 1788; Schum. 1817; not Lamk. 1801. Mya, 

 Humph. 1797- Baphia, sp. Gevers, 1787. Mysia, Turton, 1822; 

 Swains. 1840. Lymnea, sp. Poli, 1795. Lymneum, Oken, 1815. 

 Luticola, Gold/. 18 ? Mya pictorum. 



Unio, Swains. 1840. U. mytiloides. 



Curricula, Swains. 1840. U. planulata. 



Ligumia, Swains. 1840. U. recta. 



Thelidenna, Swains. 1840. U. metanera. 



Megadomus, Swains. 1840. U. gigas. 



Aglia, Swains. 1840. U. ovata. 



Calceola, Swains. 1840. U. calceolus. 



Hemiodon, Swains. 1840. U. undulatus. 



Naidea, Swains. 1840. Niaa, Swains. 1837. U. ater. 



Canthyria, Swains. 1840. U. spinosus. 



Iridea, Swains. 1840. U. granosus. 



Naia, Sioains. 1840. U. corrugata. 



Hyridella, Swains. 1840. U. australis. 



689. Barbala, Humph. 1797 ; Gray, 1828. Barbata, Sow. Dipsas, 

 Leach, 1817. Cristaria, Schum. 1817. Symphynota, Swains. 

 1840. Symphonota, sp. ieor. Dipsus, Sivains. 1840. Appius, 

 Leach MSS. B.M. Mytilus, ^..Solander. Mytilus plicatus. 



