MacFarland, Frank Mace, 1869-1951, Studies of opisthobranchiate mollusks of the Pacific coast of North America / / Frank Mace MacFarland. - xvi, 546 páginas : 72 láminas, . - Memoirs of the California Academy of Sciences ; v. 6 . Publicado e ilustrado por Olive Hornbrook MacFarland. Bibliografía: páginas 379-391. Subjects--Topical Terms: BABOSAS (MOLUSCOS)--OCEANO PACIFICOMOLUSCOS--OCEANO PACIFICO Dewey Class. No.: 594.36