▁Ke al ake ku a ▁Bay , ▁and ▁tou red ▁the ▁historic ▁sites ▁nearby , ▁such ▁as ▁the ▁Pu uh on ou a ▁o ▁H ō na un au . ▁They ▁travel led ▁south ▁past ▁the ▁Ma una ▁Lo a ▁vol cano . ▁They ▁were ▁some ▁of ▁the ▁first ▁Europe ans ▁to ▁visit ▁the ▁cal der a ▁of ▁the ▁K ī la ue a ▁vol cano , ▁which ▁was ▁active ▁at ▁the ▁time . ▁On ▁the ▁eastern ▁side ▁they ▁visited ▁H ilo ▁and ▁Wa ip io ▁Valley , ▁and ▁some ▁of ▁the ▁party ▁continued ▁up ▁snow - cover ed ▁Ma una ▁Ke a . ▁ ▁Some ▁of ▁the ▁important ▁miss ions ▁set ▁up ▁as ▁a ▁result ▁of ▁this ▁trip ▁include ▁M ok ua ik au a ▁Church , ▁Im i ola ▁Church , ▁Ke al ake ku a ▁Church , ▁and ▁the ▁H ail i ▁Church . ▁Return ing ▁to ▁Hon ol ulu , ▁Ell is ▁set ▁about ▁learning ▁the ▁Hawai ian ▁language . ▁He ▁trans cribed ▁the ▁language ▁into ▁a ▁Roman ▁alphabet ▁and ▁helped ▁set ▁up ▁a ▁printing ▁press . ▁ ▁In ▁England ▁ ▁In ▁August ▁ 1 8 2 4 ▁they ▁had ▁to ▁return ▁to ▁England , ▁as ▁Mrs ▁Ell is ▁was ▁in ▁poor ▁health , ▁and ▁so ▁took ▁a ▁ship ▁via ▁America . ▁Back ▁in ▁London , ▁Ell is ▁published ▁his ▁narr ative ▁of ▁travel s ▁in ▁Hawai i . ▁He ▁was ▁selected ▁as ▁Ass istant ▁Foreign ▁Secretary ▁of ▁the ▁London ▁Mission ary ▁Society ▁in ▁ 1 8 3 0