ks ▁in ▁the ▁family ▁C yp ra e idae , ▁the ▁cow ries . ▁ ▁Species ▁Species ▁within ▁the ▁genus ▁Con trad usta ▁ ▁include : ▁Con trad usta ▁bre ger iana ▁( C ros se , ▁ 1 8 6 8 ) ▁Con trad usta ▁lap ill us ▁Po ppe , ▁Tag aro ▁& ▁Gro h , ▁ 2 0 1 3 ▁Con trad usta ▁walk eri ▁( S ower by ▁I , ▁ 1 8 3 2 ) ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : C yp ra e idae <0x0A> </s> ▁Er as mus ▁Dar win ▁Hudson , ▁( Dec ember ▁ 1 5 , ▁ 1 8 0 5 ▁in ▁Tor ring ford , ▁Connecticut ▁– ▁December ▁ 3 1 , ▁ 1 8 8 0 ▁in ▁Green wich , ▁Connecticut ), ▁was ▁a ▁phys ician ▁and ▁anti - s la very ▁organ izer ▁in ▁the ▁United ▁States . ▁Starting ▁his ▁career ▁in ▁Connecticut , ▁he ▁also ▁pract iced ▁surg ery ▁in ▁Massachusetts ▁before ▁moving ▁to ▁New ▁York ▁City ▁in ▁ 1 8 5 0 , ▁where ▁he ▁became ▁a ▁general ▁and ▁orth op edic ▁sur geon . ▁He ▁res ided ▁there ▁for ▁the ▁rest ▁of ▁his ▁life , ▁concentr ating ▁on ▁his ▁career ▁as ▁a ▁sur geon . ▁ ▁Biography ▁When ▁young , ▁he ▁was ▁educated ▁by ▁a ▁private ▁t utor ▁and ▁at ▁Tor ring ford ▁Academy . ▁He ▁graduated ▁from ▁Ber k shire ▁Medical ▁College ▁in ▁ 1 8 2 7 . ▁He ▁pract iced ▁in