Chapter 36 The Quarter-Deck
Oh, my sweet cardinals!
Ahab reveals to the crew that the purpose of their voyage is to kill Moby Dick the great white whale. Starbuck objects and distinguishes killing Moby Dick for profit if they come upon him in the course of business from seeking vengeance on a dumb brute. Ahab insists Moby Dick bears him some malice.
Moby Dick is hyphenated in the title, but not in the text. I found an explanation here http://patell.org/2012/10/moby-dick-a-note-on-hyphenation/ Moby-Dick is the title of the novel. Moby Dick is the name of the character. There are many editions of the book that do not hyphenate the title, but Melville used the hyphen.