 In 1928, he was the successor of Ettore Artini (1866-1928) as the museum director, a post he held until his retirement in 1951.Parisi studied a large collection of Japanese decapods (Decapoda), which the museum acquired from Alan Owston (1853-1915), a British merchant and collector of natural history objects based in Yokohama.He described 23 new taxa of decapods in the Zoological notices "I decapodi giapponesi del museo di Milano", published from 1914 to 1919 in the Museum Journal.