▁to ▁a ▁zoo ▁g or illa ▁at ▁night , ▁utter ing ▁the ▁line : ▁" Just ▁throw ▁the ▁sk ins ▁back , ▁man !" ▁ ▁See ▁also ▁Urban ▁leg ends ▁about ▁dru gs ▁ ▁References ▁ ▁External ▁links ▁ ▁S nig gle . net ▁Article ▁featuring ▁a ▁fake ▁Ban an ad ine ▁reci pe ▁ ▁Category : B an anas ▁in ▁popular ▁culture ▁Category : U r ban ▁leg ends ▁Category : 1 9 6 0 s ▁f ads ▁and ▁tr ends ▁Category : F ict ional ▁medic ines ▁and ▁dru gs ▁Category : H o ax es ▁about ▁dru gs <0x0A> </s> ▁P ter op ur p ura ▁es ych a ▁is ▁a ▁species ▁of ▁sea ▁sn ail , ▁a ▁marine ▁g ast rop od ▁m oll usk ▁in ▁the ▁family ▁Mur ic idae , ▁the ▁m ure x ▁sn ails ▁or ▁rock ▁sn ails . ▁ ▁Description ▁ ▁Distribution ▁ ▁References ▁ ▁Category : M ur ic idae ▁Category : G ast rop ods ▁described ▁in ▁ 1 9 2 5 <0x0A> </s> ▁Return ▁of ▁the ▁Wild ▁H ors es ▁is ▁the ▁most ▁important ▁in - s itu ▁conservation ▁project ▁organized ▁by ▁Prag ue ▁Z oo . ▁Its ▁aim ▁is ▁to ▁increase ▁the ▁numbers ▁and ▁gen etic ▁divers ity ▁of ▁Prz ew al ski ' s ▁horses ▁in ▁their ▁native ▁habitat ▁in ▁Mong olia . ▁Res uming ▁previous ▁similar ▁European ▁projects , ▁Return ▁of ▁the ▁Wild ▁H ors es ▁trans ports ▁and ▁re int rodu ces ▁capt ive - bre d