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Subject "Opisthobranchia, Fossil"
Reports on the dredging operations off the west coast of Central America to the Galapagos, to the west coast of Mexico and in the Gulf of California, in charge of Alexander Agassiz, carried on by the U.S. Fish Commission steamer "Albatross" during 1891, Lieut. Commander Z.L. Tanner, U.S.N., commanding. 13, Die Opisthobranchien /
By: Bergh, Rudolph, - Agassiz, Alexander, - United States.
Publication info: Cambridge, Mass., U.S.A. :Museum of Comparative Zoölogy,1894.
Contributed by: Smithsonian Libraries
Subjects: Albatross (Steamer) Dredging (Biology) Gastropoda, Fossil Nudibranchia Opisthobranchia, Fossil Pacific Ocean