Petroleum--what Is It?

Ridgcway, of Boston, a celebrated geologist and acholar, has been for a nuuiber of weeks in the Titusville Oil Regiems, makiug seieutitic investigations. He has concluded that the oil " oviginated íVom marino planta tliat grew and flourisbed at a ]ieriod of time long beforo the plauts that have protkiccd our coal beds, and that the oil foutid on Oil Ci-eok inay be coiisidercd the syrup of