Larry and Myron see the ghost of Don Santiago on the main floor of the castle. Don Santiago disappears into a chest. When they open the chest they see Don Santiago's skeleton (Larry remarks that 'that's all that's left of him'. Later in the family crypt, they see Don Santiago in his glass coffin and remark that he still looks the same. The ghost could have disappeared into the chest but the skeleton can only be in one place.
At the club Mary receives a note from Larry that he can't make the date, she writes on (what looks like a show bill) three words (two on top line one on bottom) quickly scrawled but when we see a close up its written very clearly it reads: "Forgive me for running away-"