TY - JOUR T1 - Descriptions of new species of marine invertebrata from Puget Sound collecty the Naturalists of the Northwest Boundary Commission. JF - Proceedings of the Academy of Natural Sciences of Philadelphia Y1 - 1864 A1 - Stimpson, W. SP - 153 EP - 161 VL - 16 ER - TY - JOUR T1 - Tunicata. In Descriptions of some new marine invertebrates JF - Proceedings of the Academy of Natural Sciences of Philadelphia Y1 - 1855 A1 - Stimpson, W. SP - 387 EP - 388 VL - 7 ER - TY - JOUR T1 - Several new ascidians from the coast of the United States JF - Proceedings of the Boston Society of Natural History Y1 - 1852 A1 - Stimpson, W. SP - 228 EP - 232 VL - 4 ER -