Slowlyhegropedhiswayalong,feelingwithhishandsuponthetunnel’swalls,andcautiouslywithhisfeetaheadofhimuponthefloorbeforehecouldtakeasingleforwardstep。Howlonghecreptonthushecouldnotguess;butatlast,feelingthatthetunnel’slengthwasinterminable,andexhaustedbyhisefforts,byterror,andlossofsleep,hedeterminedtoliedownandrestbeforeproceedingfarther。
Whenheawoketherewasnochangeinthesurroundingblackness。Hemighthavesleptasecondoraday——hecouldnotknow;butthathehadsleptforsometimewasattestedbythefactthathefeltrefreshedandhungry。
Againhecommencedhisgropingadvance;butthistimehehadgonebutashortdistancewhenheemergedintoaroom,whichwaslightedthroughanopeningintheceiling,fromwhichaflightofconcretestepsleddownwardtothefloorofthechamber。
Abovehim,throughtheaperture,Werpercouldseesunlightglancingfrommassivecolumns,whichweretwinedaboutbyclingingvines。Helistened;butheheardnosoundotherthanthesoughingofthewindthroughleafybranches,thehoarsecriesofbirds,andthechatteringofmonkeys。
Boldlyheascendedthestairway,tofindhimselfinacircularcourt。Justbeforehimstoodastonealtar,stainedwithrusty—browndiscolorations。AtthetimeWerpergavenothoughttoanexplanationofthesestains——latertheiroriginbecamealltoohideouslyapparenttohim。