Note 142 — Chapter III
Reading edition
A. B. Ellis, The Tshi-speaking Peoples, etc., 1887, pp. 327-8. Only one European, Herr R. Betz, long resident amongst the Dualas of the Cameruns district, has yet succeeded in mastering the drum language; he claims to understand nearly all that is drummed and is also able to drum himself. (Athenæum, May 7, 1898, p. 611.)