The note is undated. It refers to a publication "Wanderings in a Wild Country; or, Three Years amongst the cannibals of New Britain". The book was published in 1883.
The book is written by 'William Powell'. A google search shows the author's correct name to be Wilfred Powell.
The note refers to entries on pages 13, 15 and 17 of the book. There is also a small sketch of a shield from a picture on page 17 of the book.

Places mentioned: Heath Is (PNG), New Britain (PNG), Hayter Is (PNG).

People mentioned: William Powell.

Publications mentioned: Wanderings in a Wild Country; or, Three Years amongst the cannibals of New Britain.