For their power is in their mouth, and in their tails: for their tails were like unto serpents, with heads, and with them they do hurt.
All Commentaries on Revelation 9:19 Go To Revelation 9
George Leo Haydock
AD 1849
For the power of the horses. The power of the imagined horses or real cannon, lying in their mouths and in their tails, signifies that the mischievous power of the cannon is directed to the object by their mouths, but takes its birth in the tail or breech of the cannon, where the charge is lodged: whence the cannon's breech is here compared to the serpent's head, which contains its venom. (Pastorini, hic.)