Note 3 — Chapter XXI · The Remaining Branches and Offshoots of the Kula
Reading edition
To the Northern shores of Normanby Island (Du’a’u) and to Dobu, the men of Tubetube would sail with the S.E. trade wind and return with the blow of the monsoon. According to Professor Seligman, such a trip to Dobu would take them also about four days, under the most favourable conditions.3