. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. Fig SILICEOUS SPONGESPICULESFrom laised marine miuls, RossI-land. Fig. ^!. TUBES OF SERPUL^, POLYZOAKV OF LEPRALI.\, AND VALVE OF CHITOX From marine muds near Backstairs Passage, ]\Iount Larsen

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Keywords: ., boo, bookcentury1900, booksubjectgeology, booksubjectpaleontology