Author: MacFarland F.M.,
Title: Expedition of the California Academy of Sciences to the Gulf of California in 1921
Description: 1924. Opisthobranchiate mollusca. In 8vo, original wrappers, pp. 32 + 2 pls. Offprint from Proc. California Ac. Sci, 4th ser. vol. 13 n. 25

Keywords: shells molluscs opisthobranches


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