Shark attack, Before 1958 (Unprovoked)
Location: Natuna Islands, between Sumatra & Kalimantan in the South China Sea, Riau Province, INDONESIA
Activity: Swimming near anchored ship
Victim:  a ship's engineer (M, age )
Injury: FATAL, leg severed 
Fatal: Y
Source: C.H. Townsend, p. 172; V.M. Coppleson, p.258