The Scotland Yard chief remains unflappably British throughout the short.
The inspector pursues Louie down Ye Olde Blind Alley, a pun on the many unusual names of London's streets.
In Ye Olde British Empire, everything stops for tea.
The title is a spoof of the popular traditional tune "Londonderry Air," also known as "Danny Boy." An actual song by Quincy Jones has the naughty title, derriere bring French for a person's, er, caboose.
Silencers for weapons had first appeared at the start of the 20th century. They were popularly featured in espionage themed productions of the era.