The pattern of parallel color diagonals on face and fret tunics. (a) The root pattern in a band; (b) continuous across the center seam (AIC 1985.1784); (c) reversing at the center seam (FM 241835, after Bergh 1999:Figure 12.1).
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.