What was the human Wallace Line?
Besides the famous faunal break, Wallace drew a human line that later physical anthropologists, trained in medicine, tried to quantify—and that haunted West Papua politics.
Source
The Human Wallace Line: Racial Science and Political Afterlife
What they did
The article tracks Forsters and Dumont d’Urville, Wallace’s maps, craniology around Timor, cephalic-index fieldwork, and Sukarno-era arguments over whether Papuans belonged with Indonesia.
What they found
The line moved on the map but the Malay/Papuan binary stuck. Anthropometry could not lock difference to the cephalic index. Indonesia both used and rejected European racial classification when convenient.
The limits
What it doesn't show
This is a history of a racial-spatial idea, not a genetic proof of two peoples. It does not resample living populations.
Key terms
- Human Wallace Line
- Wallace’s proposed racial boundary: Malays to the west, Papuans to the east.
- Physical anthropology
- A medical-school science of bodies and races that tried to measure the line.
- Cephalic index
- Head length-to-width ratio used as a hoped-for Malay/Papuan marker.
- Political afterlife
- Later uses of the line in Dutch and Indonesian claims about New Guinea/West Papua.
Flashcards
Research intelligence for this paper
See its role on concept claims, tensions it is part of, placement history, and related discoveries.
Quiz yourself
Wallace’s human line separated?
Common questions
Only animals?
No: Wallace also separated humans into Malays and Papuans.
Could skulls settle it?
Anthropometrists failed to tie the difference to markers such as the cephalic index.
Political use?
The imagined boundary shaped arguments about West Irian/Papua and Indonesian identity.
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