The Bullroarer Atlas

FROELICH1959-001 - ethnographic attestation

Mboum (Ngan-Ha)

Cameroon - Adamaoua - Ngan-Ha - Central Africa

Restricted

Regional comparison—not the documented Mboum instrument. This complete Duru (Dii) bullroarer from Adamaoua retains its notched wooden blade,...
Representative image. Regional comparison—not the documented Mboum instrument. This complete Duru (Dii) bullroarer from Adamaoua retains its notched wooden blade, cord, and toggle handle. University Museum of Bergen (E 7772), photo Stine Dornfest, via DigitaltMuseum CC BY-SA 4.0 Image source

Djerr / Sirr / Dirr (wider Mbum) French

Source term: rhombe

rhombe = French bullroarer term; no Mboum object name secured

At Ngan-Ha the bullroarer entered the boys' circumcision at a moment of deliberate terror: as the niadok set it turning, women and the uncircumcised were ordered indoors and told that fe-mbaka, 'the devourer,' was abroad. Among the wider Mbum, Frobenius heard the same instruments called Djerr, Sirr or Dirr, kept in a mountain cave no woman might see; when the whirring rolled in from the bush, women who asked were told it was Djerr the leopard or Mbaga the lion moving among the boys.

le niadok fait tourner le rhombe

the niadok makes the bullroarer turn

Froelich 1959, p. 110
Object
Froelich does not describe the Ngan-Ha blade. Wooden forms among the wider Mbum were kept in a mountain cave and learned by initiates (Frobenius 1925). Shown as a regional comparison is Bergen E 7772, catalogued Duru (Dii): a 34.3 x 5 cm notched wooden blade with a terminal perforation, original cord, and 16.1 x 1 cm toggle.
Function
Sounded at boys' circumcision: at Ngan-Ha the niadok turned the rhombe while women indoors were told fe-mbaka, 'the devourer,' was present; among the wider Mbum the cave-kept Djerr voiced the leopard, Mbaga the lion.
Map confidence
high - Nganha locality anchor
Source location
p. 110 | Frobenius 1925:148, 150–151

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