Here, he worked as an assistant for the Natuurkundige Commissie (Commission for Natural Sciences), an organization that he eventually became a member of.
[1] Müller arrived in Batavia in 1826, then journeyed to New Guinea and Timor in 1828 aboard the Triton.
Beginning in October 1828, he remained at the port city of Kupang, penetrating the interior of Timor during the following year.
(Müller in turn named Tomistoma schlegelii (the False gharial) in 1838 in honor of Hermann Schlegel.
[5][6]) Similarly, André Marie Constant Duméril, Gabriel Bibron and Auguste Duméril named Lycodon muelleri (Java wolf snake) in 1854 in honor of Müller.