8. Notwithstanding anything hereinbefore contained, every common carrier shall be liable to the owner for loss of or damage to any property delivered to such carrier to be carried where such loss or damage shall have arisen from the criminal act of the carrier or any of his agents or servants and shall also be liable to the owner for loss or damage to any such property other than property to which the provisions of section 3 apply and in respect of which the declaration required by that section has not been made, where such loss or damage has arisen from the negligence of the carrier or any of his agents or servants.