Thesetwoworks，eachembodyingtheresultsofyearsoftravelandresearch，entirelyrevolutionizeallourtheoriesastothegeographicalandphysicalcharacterofCentralAfricaInsteadofloftymountainsandsandydeserts，wehaveawidebasin，orratherseriesofbasins，withlakesandgreatrivers，andasoilfertileevenwhencomparedwiththeaboundingexuberanceofourownWesternvalleysandprairies。

　　Barth，travelingsouthwardfromtheMediterranean，exploredthisregiontillwithineightdegreesoftheequatorLivingstone，travelingnorthwardfromtheCapeofGoodHope，approachedtheequatorfromthesouthasnearlyasBarthdidfromthenorthHethentraversedthewholebreadthofthecontinentdiagonallyfromthewesttotheeast。

　　HisspecialresearchescovertheentirespacebetweentheeighthandfifteenthparallelsofsouthlatitudeBetweentheregionsexploredbyBarthandLivingstoneliesanunexploredtractextendingeightdegreesoneachsideoftheequator，andoccupyingthewholebreadthofthecontinentfromeasttowestLieutenantBurton，famousforhisexpeditiontoMeccaandMedina，setoutfromZanzibarafewmonthssince，withthedesignoftraversingthisveryregion。

　　IfhesucceedsinhispurposehisexplorationswillfillupthevoidbetweenthoseofBarthandLivingstone。

　　DrLivingstone，withwhosetravelsweareatpresentspeciallyconcerned，isnoordinarymanThesonofaPresbyteriandeaconandsmalltraderinGlasgow；settoworkinacottonfactoryattenyearsold；

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