Illustrated Index of British Shells Plate 07

Description:

Illustrated Index of British Shells. Plate VII. 1 Unio margaritiferus Margaritifera margaritifera 2 Unio pictorum Unio pictorum 3 Unio tumidus Unio tumidus 4 Anodonta cygnea Anodonta cygnea 5 Dreissina polymorpha Dreissena polymorpha 6 Modiola Modiolus Modiolus modiolus 7 Modiola ovalis Gibbomodiola adriatica 8 Modiola radiata Gibbomodiola adriatica 9 Modiola barbata Modiolus barbatus 10 Modiola phaseolina Modiolula phaseolina 11 Modiola cuprea Lissarca miliaris 12 Crenella nigra Musculus svecicus 13 Crenella discors Musculus discors 14 Crenella marmorata Musculus subpictus 15 Crenella costulata Musculus costulatus 16 Crenella rhombea Rhomboidella prideauxi 17 Crenella decussata Crenella decussata 18 Mytilus edulis Mytilus edulis 19 Mytilus ungulatus Mytilus edulis 20, 21 Mytilus galloprovincialis Mytilus galloprovincialis