Traveling through the Dragon's Den, it has just been explained that Haroun, the Ifrit, has been caught in a mirror trap. Here is the passage that follows: "So," said Silas. "Now there are only three of us." "And a pig," said Kandar [the mummy] "Why?" Asked Miss Lupescu, with a wolf-tongue, through wolf teeth. "Why the Pig?" "It's lucky," said Kandar. Miss Lupescu growled, unconvinced. "Did Haroun have a pig?" asked Kandar, simply.
