§ 654. Deputizing local police officers or peace officers. The sheriff may in his discretion deputize the police officers or peace officers of cities, towns, villages and special districts and agents of societies incorporated for the purpose of prevention of cruelty to animals, for the purpose of authorizing an arrest without a warrant outside the territorial limits of such city, town, village or special district, when such crime or infraction was committed within such territorial limits in the presence of such officer. Such officer shall not be deemed an officer, agent, servant or employee of the county.