R.I. Gen. Laws § 34-11-8: Form of grants in tail.

In a deed hereafter made, it shall be sufficient, in the limitation of an estate in tail, to use the words “heirs of the body”, or the words “in tail” without the words “heirs of the body”; and in the limitation of an estate in tail male or in tail female, to use the words “heirs male of the body”, or “heirs female of the body”, or the words “in tail male”, or “in tail female”, as the case requires, without the words “heirs male of the body”, or “heirs female of the body”.