_Taru_ for 5 is probably a misprint for _tana_.
[275] Du Chaillu, _op.

cit._, p.533.The next scale is _op.

cit._, p.

534.
[276] Beauregard, O., _Bull.Soc.Anth.de Paris_, 1886, p.

526.
[277] Pott, _Zaehlmethode_, p.