Note 510 — APPENDICE (continued 3)
Reading edition
Conrad, Descript. of a new gen. of fresh wat. shells ; in : Journ. Acad. of natur. sc. Philadelphia ; VII, 1834, p. 178.
Reading edition
Conrad, Descript. of a new gen. of fresh wat. shells ; in : Journ. Acad. of natur. sc. Philadelphia ; VII, 1834, p. 178.