8 , ▁Port land ' s ▁Mississippi ▁Records ▁re iss ued ▁the ▁first ▁album ▁on ▁vin yl . ▁ ▁The ▁two - part ▁song ▁" The ▁Rat ' s ▁Re ven ge " ▁- ▁which ▁appeared ▁on ▁the ▁first ▁volume ▁of ▁Back ▁from ▁the ▁Gra ve ▁- ▁was ▁performed ▁( some ▁ 1 5 ▁years ▁prior ) ▁by ▁a ▁different ▁band ▁under ▁the ▁same ▁name . ▁ ▁References ▁ ▁Category : Mus ical ▁groups ▁from ▁Port land , ▁Oregon ▁Category : P unk ▁rock ▁groups ▁from ▁Oregon ▁Category : 1 9 8 0 ▁establish ments ▁in ▁Oregon ▁Category : 1 9 8 4 ▁dis est ab lish ments ▁in ▁Oregon ▁Category : Mus ical ▁groups ▁established ▁in ▁ 1 9 8 0 ▁Category : Mus ical ▁groups ▁dis est ab lished ▁in ▁ 1 9 8 4 <0x0A> </s> ▁Per is tern ia ▁cl ath r ata ▁is ▁a ▁species ▁of ▁sea ▁sn ail , ▁a ▁marine ▁g ast rop od ▁m oll usk ▁in ▁the ▁family ▁F as ci ol ari idae , ▁the ▁sp ind le ▁sn ails , ▁the ▁t ul ip ▁sn ails ▁and ▁their ▁al lies . ▁ ▁Description ▁ ▁Distribution ▁ ▁References ▁ ▁Category : F as ci ol ari idae ▁Category : G ast rop ods ▁described ▁in ▁ 1 8 4 0 <0x0A> </s> ▁Help Age ▁Canada ▁is ▁a ▁non - den omin ational , ▁non - pro fit ▁char ity ▁in ▁Canada ▁dedicated ▁to ▁assist ing ▁imp over ished ▁older ▁persons ▁living ▁in ▁Canada