TY - JOUR A1 - Conrad, T. A. JO - Journal of the Academy of Natural Sciences, Philadelphia C1 - 7: 227-268, pls 17-20 TI - Description of new marine shells, from Upper California. Collected by Thomas Nuttall, Esq. UR - http://biodiversitylibrary.org/page/24676893 PY - 1837 Y2 - 2024-03-28 ER -