A naturalist's wanderings in the Eastern Archipelago, a narrative of travel and exploration from 1878 to 1883
The writer travelled to different parts of the Eastern Archipelago including Batavia, Cocos-Keeling Islands, Sumatra, the Moluccas and Timor-Laut. He describes in detail, with illustrations and maps, the geographical and ethnological features of the places he visited as well as the indigenous flora and fauna.