. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . SEA LEVEL MA>N WESTERN LINE OF FAULTING MAIN EASTERN LINE OF FAULTING EAST > VALLEY OF LAKERUKWA SEA LEVEL [To face page 44. FOLDOUT BLANK SANDSTONE CLIFFS OF THE! WEST COAST LINE OF F:aULTING LAKE DEPOSITCONTAINIHG MODERN SHELLS.

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