Where in the Dutch East Indies did Sandy Wollaston collect the haplotype on the Setakwa River?
Netherlands New Guinea
Title: Royal Netherlands East Indies Army
Passage: The Royal Netherlands East Indies Army ("Koninklijk Nederlands Indisch Leger"; KNIL) was the military force maintained by the Netherlands in its colony of the Netherlands East Indies (also known as the Dutch East Indies), in areas that are now part of Indonesia.  The KNIL's air arm was the Royal Netherlands East Indies Army Air Force.  Elements of the Royal Netherlands Navy were also stationed in the Netherlands East Indies.
Title: Highland tree frog
Passage: The Highland treefrog or Wollaston's treefrog ("Litoria wollastoni"), is a species of frog in the Hylidae family, found in West New Guinea.  Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, rivers, rural gardens, and heavily degraded former forests.  It was named in honour of the British naturalist and explorer Sandy Wollaston, who collected the holotype on the Setakwa River, southern Netherlands New Guinea in 1912-1913.  The holotype is housed in the Natural History Museum, London, accession number BMNH 1947.2.23.59.
Title: Netherlands New Guinea
Passage: Netherlands New Guinea (Dutch: "Nederlands-Nieuw-Guinea" ) refers to the Papua region of Indonesia while it was an overseas territory of the Kingdom of the Netherlands from 1949 to 1962.  Until 1949 it was a part of the Dutch East Indies.  It was commonly known as Dutch New Guinea.  It contained what are now Indonesia's two easternmost provinces, Papua and West Papua (administered under a unified government prior to 2003 under the name "Irian Jaya").
Highland tree frog Netherlands New Guinea