| http://www.w3.org/ns/prov#value | - You could examine blood, maybe saliva, to see whether it was animal or human, and maybe even roughly what type of animal (mammalian, etc.) But detailed investigation as to species requires DNA testing ability. (Before then, it used to be only to do with blood groups.) DNA testing as forensic procedure was not available till the late 1980s - and it was a UK scientist who invented it!
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