The Sign of the Four · Chapter
X: The End of the Islander explained
Holmes, Watson, and Athelney Jones dine together before embarking on a river chase to intercept Jonathan Small and his accomplice.
What happens
Holmes, Watson, and Athelney Jones dine together before embarking on a river chase to intercept Jonathan Small and his accomplice. Holmes explains his deductions leading to the launch's location at Jacobson's Yard. They pursue the Aurora on the Thames, with Holmes having arranged a sentry to signal when the suspects depart.
Themes in this chapter
The Limits of Detection
Holmes's deduction about the launch's concealment and the chase itself test the boundaries of his methods.
Friendship and Loyalty
Watson's support and Holmes's reliance on his boys and Jones demonstrate collaborative loyalty.
Characters to notice
- Sherlock Holmes
In a state of nervous exaltation, Holmes displays brilliant conversation and leads the river chase, having deduced the launch's hiding place.
- Dr. John Watson
Watson joins the pursuit, feeling elated at nearing the end of the case, and brings his service revolver.
- Athelney Jones
Jones proves sociable at dinner and eagerly participates in the chase, though he doubts they can catch the Aurora.
- Mordecai Smith
Smith is mentioned as the launch owner who was paid well and seen drunk, ordering the Aurora for eight o'clock.
- Jonathan Small
Small is the target of the chase, described as having low cunning and having arranged the launch's concealment.
- Wiggins
One of Holmes's boys is stationed as a sentry to wave a handkerchief when the Aurora departs.
Key passages
“Our meal was a merry one. Holmes could talk exceedingly well when he chose, and that night he did choose. He appeared to be in a state of nervous exaltation.”
The dinner was enjoyable, with Holmes in high spirits and unusually talkative.
Holmes's mood shifts from depression to excitement as the case nears its climax.
“I see my sentry at his post, but no sign of a handkerchief.”
Holmes spots the lookout but no signal yet.
Holmes has arranged a visual signal to indicate the suspects' departure.
“We must catch her! cried Holmes, between his teeth. Heap it on, stokers! Make her do all she can! If we burn the boat we must have them!”
Holmes urges the crew to maximum speed, willing to sacrifice the launch to capture the Aurora.
Holmes's determination and intensity during the chase.