1 Table of Contents: “... development in the head waters of the White Nile -- 12. Descent to the Sudan plains -- 13. The White Nile from...”

2 “... Niles and urged me to 'do something' on the biology of the river. I was very reluctant, my experience...”

3 “... to collate this book arose from a similar motif as in the Nile book (1976), the intricate connection between...”