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  1. 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. Bureau of Fisheries.
    Publication info: Cambridge, Mass., U.S.A. :Museum of Comparative Zoölogy,1894.
    Holding Institution: Smithsonian Libraries
    Subjects: Albatross (Steamer)  Dredging (Biology)  Gastropoda, Fossil  Nudibranchia  Opisthobranchia, Fossil  Pacific Ocean  
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