"Muller said there were five men aboard the boat when it set out from San Blas.
"Two of them jumped overboard a few days into their ordeal," he said. No further details were available about the other two men, who were presumed dead, he said."
Donner Party, table for five, Donner Party...
"Two of them jumped overboard a few days into their ordeal"
People who have survived being adrift for long periods have described experiencing vivid hallucinations. These two may have imagined they saw land - or a beautiful mermaid:)