He instead travelled to the island of Hainan , where he died of fever .
Whitehead intended to return to the Philippines in 1899 , but was he was forced to alter his plans by the Spanish -- American War .
Whitehead instead travelled to the island of Hainan , where Whitehead died of fever .
Whitehead intended to return to the Philippines in 1899 , but was he was forced to alter his plans by the Spanish -- American War .