▁T ray ser ▁in ▁July ▁ 2 0 0 5 . ▁ ▁Offic ers ▁The ▁position ▁of ▁collect or ▁was ▁appointed ▁by ▁the ▁President , ▁subject ▁to ▁confirm ation ▁by ▁the ▁Senate . ▁From ▁ 1 8 2 0 ▁on ward , ▁collect ors ▁were ▁limited ▁to ▁four - year ▁comm issions , ▁at ▁the ▁end ▁of ▁which ▁they ▁needed ▁to ▁be ▁re app oint ed ▁by ▁the ▁President . ▁They ▁could ▁also ▁be ▁removed ▁from ▁office ▁at ▁any ▁time ▁at ▁the ▁pleasure ▁of ▁the ▁President . ▁ ▁Collect or ▁for ▁the ▁District ▁( 1 7 8 9 ▁- ▁ 1 9 1 3 ) ▁ ▁Notes ▁ ▁References ▁▁ ▁Category : Un ited ▁States ▁Custom s ▁Service <0x0A> </s> ▁Ana er oc ella ▁del ic ata ▁ ▁is ▁a ▁Gram - negative , ▁non - sp ore - form ing , ▁an a er ob ic ▁and ▁non - mot ile ▁b acter ium ▁from ▁the ▁genus ▁of ▁Ana er oc ella ▁which ▁has ▁been ▁isolated ▁from ▁a ▁m eth an ogen ic ▁re actor ▁of ▁cattle ▁waste ▁in ▁H ok ka ido ▁in ▁Japan . ▁ ▁References ▁ ▁External ▁links ▁Type ▁stra in ▁of ▁Ana er oc ella ▁del ic ata ▁at ▁Bac D ive ▁- ▁ ▁the ▁B acter ial ▁D iversity ▁Met ad atabase <0x09> ▁ ▁Category : B act ero id etes ▁Category : B acter ia ▁described ▁in ▁ 2 0 1 3 <0x0A> </s> ▁Be ech ▁Forest ▁is ▁a ▁town ▁in ▁Victoria , ▁Australia . ▁The