The capper - discovered by a gang of laborers at-Sheboygan has turned out to be relics left by some prehistoric race. Further search revealed, the bones and skulls of human beings. 31any people believe they are the bones ol mound builders, while others think they belong to some Indian tribe. Battle axes,.ornaments and other articles were found. The search will be continued, and it is. believed that many interesting relics will be discovered there.