1 9 2 5 ) ▁and ▁garden ▁walls ▁( 1 9 2 8 ) ▁were ▁designed ▁by ▁George ▁How e . ▁ ▁Notes ▁ ▁References ▁▁▁▁▁▁▁▁▁ ▁Category : H ouses ▁completed ▁in ▁ 1 9 1 7 ▁Category : H ouses ▁in ▁Philadelphia ▁Category : Ne o - N orm an ▁architecture ▁in ▁the ▁United ▁States ▁Category : Ch est nut ▁Hill , ▁Philadelphia <0x0A> </s> ▁Hop l unn is ▁sch mid ti ▁is ▁an ▁e el ▁in ▁the ▁family ▁N ett ast om at idae ▁( du ck b ill / w itch ▁e els ). ▁It ▁was ▁described ▁by ▁Johann ▁Jakob ▁K au p ▁in ▁ 1 8 6 0 . ▁It ▁is ▁a ▁marine , ▁tropical ▁e el ▁which ▁is ▁known ▁from ▁Venezuela , ▁in ▁the ▁western ▁central ▁Atlantic ▁Ocean . ▁ ▁Due ▁to ▁a ▁lack ▁of ▁known ▁major ▁thre ats ▁to ▁H . ▁sch mid ti , ▁the ▁IU CN ▁red list ▁currently ▁lists ▁it ▁as ▁Le ast ▁Conc ern . ▁ ▁References ▁ ▁Category : N ett ast om at idae ▁Category : F ish ▁described ▁in ▁ 1 8 6 0 <0x0A> </s> ▁Several ▁vessels ▁have ▁been ▁named ▁African ▁Queen : ▁▁ ▁was ▁built ▁in ▁the ▁East ▁Ind ies ▁in ▁ 1 7 7 5 , ▁probably ▁under ▁a ▁different ▁name . ▁She ▁first ▁appeared ▁in ▁Lloyd ' s ▁Register ▁( LR ) ▁as ▁African ▁Queen ▁in ▁ 1 7 8 7 . ▁She ▁made ▁one ▁voyage ▁as ▁a ▁slave ▁ship ▁and ▁then ▁sa iled ▁between ▁England