Final answer:
In Chapter 19 of Wuthering Heights, Nelly is sent to retrieve Linton.
Step-by-step explanation:
In Chapter 19 of Emily Bronte's Wuthering Heights, the character sent to retrieve Linton is Nelly. Nelly is the housekeeper at Wuthering Heights and plays a significant role in the novel. She acts as a confidant and caretaker for the characters, providing insight into their actions and motivations.