ul ata ▁Hal de man , ▁ 1 8 4 7 ▁ ▁Hyper pl at ys ▁mont ana ▁Case y , ▁ 1 9 1 3 ▁ ▁Hyper pl at ys ▁p ard alis ▁( B ates , ▁ 1 8 8 1 ) ▁ ▁Hyper pl at ys ▁p us ill us ▁( B ates , ▁ 1 8 6 3 ▁ ▁References ▁ ▁Category : A can th oc in ini ▁Category : T ax a ▁named ▁by ▁Samuel ▁Ste h man ▁Hal de man <0x0A> </s> ▁Y ipp ie ▁usually ▁refers ▁to ▁members ▁of ▁the ▁Youth ▁International ▁Party , ▁a ▁radical ▁counter - c ulture ▁group ▁founded ▁in ▁ 1 9 6 8 . ▁ ▁Y ipp ie ▁may ▁also ▁refer ▁to : ▁▁ ▁Y ipp ie ▁( l ifest yle ), ▁a ▁port man te au ▁of ▁the ▁terms ▁" Y upp ie " ▁and ▁" H ipp ie " ▁used ▁to ▁describe ▁a ▁soci ally / environment ally ▁conscious ▁l ifest yle ▁without ▁the ▁" upt ight ness " ▁of ▁y upp ies ▁but ▁more ▁industri ous ▁and ▁h yg ien ic ▁than ▁hi pp ies . ▁ ▁However , ▁the ▁term ▁Hu pp ie ▁( also ▁a ▁port man te au ▁of ▁Y upp ie ▁and ▁Hi pp ie ) ▁is ▁generally ▁preferred ▁in ▁this ▁case ▁to ▁avoid ▁confusion ▁with ▁members ▁of ▁the ▁Youth ▁International ▁Party , ▁who ▁were ▁also ▁called ▁Y ipp ies . <0x0A> </s> ▁" What ▁Have ▁They ▁Done ▁to ▁My ▁Song ▁Ma "