The diary includes an account of the bay of Menado from where Hickson travelled to Talisse Island. On arrival to Talisse he finds the HMS Flying Fish which is was on its way to China and Hickson talks of his meetings with the captain and certain crew members.
The diary includes notes on corals observed at Talisse. He describes methods of collection of corals, including by dredging the sea floor.There are also accounts of shooting expeditions, where specimens were collected and later skinned. Hickson also describes geography, wildlife and sea life of Celebes.