Bicycles and baby carriages shall be deemed baggage for the purpose of transportation by steam railroads and steam ferries. Steam railroads and steam ferries shall carry bicycles and baby carriages under the same rules and subject to the same liabilities as govern trunks and other separate baggage of a passenger. No person shall be required to crate, cover, lock, box or otherwise protect bicycles or baby carriages as baggage under the provisions of this section. But such steam railroads and steam ferries shall not be required to carry more than one bicycle or baby carriage for any one person.