He gained titles such as “Taiwan Aboriginal Know-it-all (台灣蕃通)” and “Grand Chief of Taiwan Aboriginal Tribes (台灣蕃社總頭目).” In 1900, when Mori Ushinosuke conducted an anthropological survey with Torii Ryūzō (鳥居龍藏), he had the sudden impulse to hike the Niitakayama (新高山, now Yu shan 玉山).
While en route, he disappeared on June 4, and the authorities ruled that he committed suicide by jumping into the sea.
In November 1908, with the assistance of Indigenous guides from eight different tribes, an expedition team was formed, including Noro Nagayoshi(野呂寧), Chief Engineer of the Office of Aboriginal Affairs; Shida Umetaro(志田梅太郎), a survey contractor; and Mori Ushinosuke, an Aboriginal Affairs contractor.
[6] In terms of recognition, Miyamoto Nobuhito (宮本延人) praised him as the “Leading researcher of early Taiwanese aboriginal studies;” Torii Ryūzō praised him as the “Leading researcher of Taiwan aborigines.” Satō Haruo (佐籐春夫)--Colonial Journey (殖民地之旅) 〈Wusha (霧社)〉(February 6, 1925, stick memorization (生記)) Thirteen: “Later, after about three days, I arrived in Taihoku.
Moreover, it was also this Mr. M (Mori Ushinosuke) who introduced me to the Chief of Civil Affairs Mr. S. He is a studious incognito, but is also an adventurous in-field surveyor.