, ▁that ▁a ▁science ▁of ▁observation ▁cannot ▁claim ▁certain ty ▁for ▁its ▁infer ences ▁as ▁to ▁causes , ▁and ▁that ▁consequ ently ▁theoretical ▁ge ology ▁cannot ▁stand ▁against ▁an ▁ind is put able ▁authority ▁such ▁as ▁revel ation ." ▁ ▁In ▁ 1 8 1 8 ▁he ▁became ▁a ▁fellow ▁of ▁the ▁Royal ▁College ▁of ▁Phys icians ; ▁in ▁ 1 8 2 2 ▁reg ius ▁professor ▁of ▁medicine ▁in ▁succession ▁to ▁Sir ▁Christopher ▁Peg ge ; ▁and ▁in ▁ 1 8 3 4 ▁he ▁was ▁appointed ▁ke eper ▁of ▁the ▁Rad cl iffe ▁Library . ▁ ▁In ▁March ▁ 1 8 2 2 ▁he ▁was ▁elected ▁a ▁Fellow ▁of ▁the ▁Royal ▁Society . ▁He ▁delivered ▁the ▁Har ve ian ▁Or ation ▁before ▁the ▁Royal ▁College ▁of ▁Phys icians ▁in ▁ 1 8 3 6 . ▁ ▁Publications ▁ ▁Out lines ▁of ▁Min eral ogy ▁( 1 8 0 9 ) ▁ ▁A ▁Ge ological ▁Ess ay ▁on ▁the ▁Imper fect ▁Ev idence ▁in ▁Support ▁of ▁a ▁Theory ▁of ▁the ▁Earth ▁( 1 8 1 5 ) # ▁ ▁The ▁second ▁Bridge water ▁Tre at ise : ▁On ▁the ▁Ada pt ation ▁of ▁External ▁Nature ▁to ▁the ▁Phys ical ▁Cond ition ▁of ▁Man ▁( 1 8 3 3 ). ▁ ▁See ▁also ▁Earl ▁of ▁Bridge water ▁for ▁other ▁Bridge water ▁Tre at ise ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Category : 1 7 7 5 ▁birth s ▁Category : 1 8 5 1 ▁death s ▁Category : 1 9 th - century ▁English