▁French ▁ge olog ists . ▁He ▁joined ▁the ▁Ge ological ▁Survey ▁of ▁Ireland ▁as ▁a ▁general ▁assistant ▁in ▁October ▁ 1 8 5 1 ▁working ▁under ▁Joseph ▁Be ete ▁J uk es ▁( 1 8 1 1 – 1 8 6 9 ) ▁and ▁later ▁with ▁the ▁British ▁Ge ological ▁Survey ▁in ▁W ilt shire ▁before ▁res ign ing ▁to ▁join ▁the ▁ge ological ▁survey ▁of ▁India ▁in ▁March ▁ 1 8 5 4 . ▁On ▁the ▁recommendation ▁of ▁Sir ▁Henry ▁De ▁la ▁Be che ▁( 1 7 9 6 – 1 8 5 5 ), ▁he ▁was ▁given ▁the ▁post ▁of ▁ge ology ▁professor ▁at ▁Thom ason ▁College ▁of ▁Civil ▁Engineering ▁at ▁Ro or kee . ▁His ▁brothers ▁Joseph ▁G . ▁Med lic ott ▁( d . ▁ 1 8 6 6 ) ▁and ▁Samuel ▁( c . 1 8 3 1 – 1 8 8 9 ) ▁worked ▁in ▁the ▁ge ological ▁survey ▁of ▁Ireland ▁while ▁Joseph ▁later ▁worked ▁in ▁India . ▁ ▁Career ▁in ▁India ▁ ▁From ▁ 1 5 ▁August ▁ 1 8 5 4 ▁he ▁worked ▁at ▁Ro or kee , ▁making ▁tri ps ▁with ▁Old ham . ▁He ▁married ▁Louis a , ▁daughter ▁of ▁Re ver end ▁Daniel ▁Henry ▁Ma uns ell , ▁at ▁Land our ▁near ▁Mus so orie ▁on ▁ 2 7 ▁October ▁ 1 8 5 7 . ▁In ▁ 1 8 5 7 ▁he ▁served ▁as ▁a ▁volunte er ▁with ▁the ▁g arrison ▁of ▁Ro or kee ▁against ▁the ▁mut ine ers ▁and