57. Limitations which are too remote.

Limitations which cannot vest until a time after the natural determination of the estate tail, or are to vest on a possibly remote contingent event which may not happen during the continuance of the estate tail and operate in defeasance of it, are not protected1. A limitation after an estate in tail female or in tail male, on general failure of issue of the progenitor of the issue in tail, is void2, except where it formerly was, and would take effect as, a valid legal contingent remainder