The Bullroarer Atlas

TORRES-002 - ethnographic attestation

Yam / Iama Islanders (Kulkalgal), central Torres Strait

Australia - Yam (Iama) Island, central Torres Strait; territory of the Kulkalgal central-island people (Yam paired with neighbouring Tutu) - Melanesia

Weather / fertility magic

A model bigu from Moa in the British Museum: chevron-patterned triangular ends bordering a pale, hourglass-waisted body, a bare cord hole...
A model bigu from Moa in the British Museum: chevron-patterned triangular ends bordering a pale, hourglass-waisted body, a bare cord hole pierced at the very tip. At Yam, Haddon distinguishes this larger form from the smaller wanes, and records a related painted slab hung as a garden charm. A. C. Haddon (ed.), Cambridge Expedition to Torres Straits, vol. IV (1912), fig. 8 Public domain Image source

bigu Kalaw Lagaw Ya (Kulkalgau Ya dialect, Western-Central Torres Strait Language)

Source term: bigu (large bull-roarer; the small form is wanes); the painted garden-charm slab was called madub or bigu

bigu — the western Torres Strait term for the large bull-roarer (the smaller form is wanes); at Yam the word also named a painted garden-charm slab, recorded interchangeably as madub or bigu.

Etymology. Lexically solid as the larger western Torres Strait bullroarer; at Yam the same word also labels a painted garden-charm slab. (medium confidence)

On Yam Island in the central Torres Strait, the bull-roarer was a tool of the garden and the hunt. Haddon recorded the large bigu — a flat slat swung round the head on a cord until it roared — as "belonging" to sweet-potatoes, yams, and turtle: whirled to make the crops grow and to aid the turtle catch. The headman Maino described a stranger object in the same family: a large oblong slab, painted black with a red central band and hung with human bones and white cowries, suspended from a shady tree in a secret place in the bush. Called madub or bigu, it plainly stood for a human figure; at night, islanders said, such garden charms "turned devil," came alive, and went among the plants swinging their bull-roarers while singing of the coming rain.

in Yam the same also occurred where the bigu "belonged" to sweet-potatoes and yams as well as to turtle.

A. C. Haddon (ed.), Reports of the Cambridge Anthropological Expedition to Torres Straits, Vol. V (1904), p. 347.
Object
A flat oblong wooden slat (bigu) whirled on a cord round the head to roar and hum. Haddon distinguishes the large bigu from the small wanes, both whirled bull-roarers. At Yam a related large oblong painted slab — called madub or bigu — was hung from a tree in a secret bush place as a garden charm representing a human figure.
Function
Increase magic: the bigu "belonged" to sweet-potatoes, yams, and turtle — whirled to make crops grow and to aid the turtle hunt; a related painted slab (madub/bigu) was a hidden garden charm.
Map confidence
high - Yam (Iama) Island, central Torres Strait — island centroid (9.9014 S, 142.7750 E), the named locality of the attestation
Source location
p. 347 (Yam bigu/madub; fig. 69, "Garden charm, Yam"); pp. 330-331 (bigu/wanes whirled round head; figs. 50-52, Pl. XX)

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