ola ▁and ▁U g anda ▁and ▁is ▁known ▁for ▁expl oring ▁the ▁fa una ▁of ▁the ▁African ▁region . ▁He ▁was ▁posted ▁as ▁a ▁medical ▁officer ▁in ▁U g anda ▁from ▁ 1 8 9 5 ▁to ▁ 1 8 9 8 . ▁Several ▁species ▁of ▁animals ▁were ▁named ▁after ▁him ▁by ▁museum ▁tax onom ists ▁chief ly ▁in ▁Britain ; ▁these ▁include ▁Ans orge ' s ▁c us im anse ▁( C ross arch us ▁ans orge i ); ▁several ▁birds , ▁including ▁Ans orge ' s ▁green bul ▁( And rop ad us ▁ans orge i ), ▁Plat yst e ira ▁( con cre ta ) ▁ans orge i , ▁X en oc ops ych us ▁ans orge i , ▁and ▁N es och aris ▁ans orge i ; ▁many ▁fish es ▁( Pol yp ter us ▁ans org ii , ▁Micro ct en op oma ▁ans org ii , ▁Ph ract ura ▁ans org ii , ▁Th y so chrom is ▁ans org ii , ▁En ne ac amp us ▁ans org ii , ▁Ne ole b ias ▁ans org ii , ▁and ▁E pi pl at ys ▁ans org ii ); ▁and ▁three ▁re pt iles ▁( A f ro ge cko ▁ans org ii , ▁Hem id act yl us ▁ans org ii , ▁and ▁Ps amm oph is ▁ans org ii ). ▁ ▁Ans orge ' s ▁ancest ors ▁came ▁from ▁S iles ia , ▁but ▁William ▁was ▁born ▁in ▁Chap ra , ▁Beng al , ▁to