ip ods ▁are ▁adapted ▁to ▁life ▁without ▁light , ▁having ▁no ▁p ig ment ation ▁or ▁eyes ight . ▁Also ▁living ▁within ▁the ▁cave , ▁and ▁adapted ▁to ▁total ▁darkness , ▁is ▁the ▁B anks ula ▁gr ub b si ▁ara chn id . ▁Rel ated ▁to ▁the ▁har vest man , ▁the ▁B anks ula ▁gr ub b si ▁has ▁a ▁multi - segment ed ▁body ▁that ▁appears ▁to ▁be ▁one ▁single ▁tr unk ▁at ▁first ▁glance , ▁it ▁has ▁det ached ▁ret inas , ▁and ▁no ▁p ig ment ation . ▁It ▁also ▁is ▁found ▁now here ▁in ▁the ▁world ▁except ▁Black ▁Ch asm ▁Ca vern . ▁As ▁for ▁b ats , ▁none ▁have ▁colon ized ▁the ▁cave , ▁however , ▁there ▁are ▁many ▁b ats ▁in ▁the ▁area . ▁During ▁the ▁cool ▁hours ▁of ▁the ▁morning ▁and ▁evening , ▁you ▁will ▁see ▁the ▁b ats ▁flying ▁and ▁div ing ▁through ▁the ▁air ▁as ▁they ▁feed ▁on ▁insect s . ▁ ▁History ▁Black ▁Ch asm ▁was ▁likely ▁known ▁about ▁by ▁the ▁local ▁Mi W ok ▁tribes , ▁though ▁gold ▁min ers ▁were ▁the ▁first ▁cred ited ▁with ▁expl oring ▁the ▁cave ▁in ▁ 1 8 5 4 . ▁The ▁min ers ▁described ▁the ▁cave ▁as ▁having ▁"... v ault ed ▁chamber [ s ] ▁large ▁enough ▁to ▁contain ▁the ▁largest ▁trees ..." ▁and ▁"... ▁cry st als ▁[ that ] ▁stood ▁out ▁from ▁the ▁walls ▁in ▁every ▁conce iv able ▁direction , ▁turning ▁and ▁b ending ▁into ▁many ▁shapes ... ".