2 ▁ ▁Other ▁uses ▁ ▁Ar ct urus ▁Z . ▁Con rad ▁( 1 8 5 5 - 1 9 3 7 ), ▁Christian ▁author , ▁the olog ian ▁and ▁past or ▁ ▁Ar ct urus ▁( band ), ▁a ▁Norwegian ▁avant - gar de ▁metal ▁band ▁ ▁Ar ct urus ▁( is op od ), ▁an ▁is op od ▁genus ▁of ▁the ▁family ▁Ar ct ur idae ▁ ▁Ar ct urus , ▁a ▁genus ▁of ▁cl ams ▁invalid ly ▁established ▁by ▁Hum ph rey ▁in ▁S ower by , ▁ 1 8 3 9 ; ▁now ▁Cy c loc ard ia ▁ ▁Gallery ▁Ar ct urus , ▁a ▁public ▁art ▁museum ▁in ▁Toronto , ▁Canada ▁ ▁Ar ct urus , ▁the ▁name ▁of ▁one ▁of ▁five ▁US ▁Coast ▁Guard ▁General ▁A viation ▁P J ▁flying ▁boats ▁ ▁Ar ct urus , ▁a ▁variant ▁of ▁the ▁Lock he ed ▁CP - 1 4 0 ▁Aur ora ▁mar itime ▁pat rol ▁aircraft ▁ ▁See ▁also ▁ ▁Ar ct urus ▁Form ation , ▁a ▁ge olog ic ▁formation ▁in ▁Ut ah , ▁United ▁States ▁ ▁Ar ct urus ▁Group , ▁a ▁ge olog ic ▁group ▁in ▁Nev ada , ▁United ▁States ▁ ▁Ar ct urus ▁T - 2 0 , ▁an ▁un mann ed ▁aer ial ▁vehicle ▁introduced ▁in ▁ 2 0 0 9 ▁▁▁▁▁ ▁Ar ct ur ian ▁( disambiguation ) <0x0A> </s> ▁The ▁Lake ▁Line ▁( ), ▁as ▁it ▁is ▁referred ▁to ▁by ▁the ▁S BB ▁in ▁English , ▁is ▁the ▁Swiss ▁railway