This is the strict technical expression ased to describe the ownership in “an estate in fee-simple in possession in a corporeal here ditament.” The word “seised” is used te express the “seisin” or owner’s possession of a freehold property; the phrase “in de mesne,” or “in his demesne,” (i dominico suo) signifies that he is seised as owner of the land itself, and not merely of the seig: niory or services; and the concluding words, “as of fee,” import that he is seised of an estate of inheritance in fee-simple. Where