Final answer:
Without context or reference to a specific literary source, it's challenging to provide a detailed account of what the 'winged gentleman' pointed out to Mr. Stryver on the piece of paper. The moment seems significant in the narrative and could involve a key plot development.
Step-by-step explanation:
The question appears to be referencing a scenario from a piece of literary work, where a 'winged gentleman'—likely a metaphorical or figurative description—is directing another character's attention to something important on a piece of paper. Unfortunately, without a specific reference to the literary work or context in question, providing an accurate and detailed explanation is challenging.
The question may involve plot elements such as evidence discovery, revelation of secrets, or crucial plot developments typically found in genres like mystery, detective fiction, or legal drama. In literature, moments such as these are pivotal as they can turn the tide of a narrative, revealing new information that impacts character decisions and the story's outcome.