This is a reprint of the 1966 work, originally published as part of the Chicago Field Museum of Natural History Fieldiana: Zoology series. The bulk of The Systematics and Zoogeography of the Amphibia of Borneo comprises the systematics, with a key to families, and descriptions of all species with notes and maps of known range, followed by the section on zoogeography. Species are illustrated where possible with photographs or drawings.