At the end of the forty-two months, the same length of time, the leopard beast was also to be slain, politically, with the sword, and go into captivity.
Rev.13:3, 10.
These are points which prove not merely similarity, but identity.

For whenever two symbols, as in this instance, represent powers that come upon the stage of action at the same time, occupy the same territory, maintain the same character, do the same work, continue the same length of time, and meet the same fate, those two symbols must represent one and the same power.

And in all these particulars there is, as we have seen, the most exact co-incidence between the little horn of the fourth beast of Dan.

7, and the leopard beast of Rev.13; and all are fulfilled by one power, and that is the papacy.

The papacy succeeded to the pagan form of the Roman empire.