Barnard, J. Laurens, 1928-. Littoral gammaridean Amphipoda from the Gulf of California and the Galapagos Islands / J. Laurens Barnard. - Washington : Smithsonian Institution Press, 1979. - 149 p. : ill. ; 26 cm. - Smithsonian contributions to zoology no. 271 . Subjects--Topical Terms: Amphipoda--California, Gulf of.Amphipoda--Galapagos Islands.Crustacea--California, Gulf of.Crustacea--Galapagos Islands.