Birds of a Feather: Charlie Street sees a kindred spirit in Beatrice, as they are both scholarship students from poor backgrounds. He is the only student who is kind to her.
Feud Episode: After his scare in the previous episode, Jack is trying to distance himself personally and professionally from Phryne.
Politically Incorrect Villain: The murderer, Professor Bradbury, is a misogynist even by the period's standards. He killed Professor Katz over the skull of a Harvard graduate, which he wanted to destroy because it belonged to a Black woman, valuing his prejudices over the truth.
Regional Riff: A variation on the Oriental Riff plays right after Phryne tells Jack, "Sayonara."
Spanner in the Works: The murder of Professor Katz might have gone undiscovered if Mac hadn't pulled him out of the furnace room accidentally while looking for reserve bodies.
