Opinion by
The question to be determined is whether the plaintiff took an estate tail, converted to a fee simple by virtue of the Act of April 27, 1855, P. L. 368 or a life estate only, under the following provision of his father’s will: “ T give and devise unto my son Adam my messuage, tenement or tract of land—during the natural life of my son Adam. If my son Adam shall die without lawful issue, then the above devised messuage or tract of land shall fall back to my two sons, Franklin and George, but if my son Adam having lawful issue at the time of his death, then I give and devise the above messuage or tract of land to him and his heirs forever.” In terms the testator gave a life estate to his son Adam Avith remainder to Adam’s issue, if he had issue at the time of his death, and in default thereof to the testator’s sons, Franklin and George. The expressions “ shall die without lawful issue ” and “ having lawful issue at the time of his death ” must be considered together as