SixnrLAß Storv.—lt is stated on the au thority of a person Who has seen the party, that Arthur Lavery, sentenced to the Massa chnsetta State Prison for manslaughter, and reported as dead, is now living and beyond Immediate reach. The explanation of the matter Is, that on being placed in solitary con finement, such a shock was produced in nis physical system, much reduced and broken, that ho was pronounced dead by the medical