Keywords: FMIB 39045 Mussels at the age of one year and four months, and buttons cut from them These mussels were the product of artificial infection.jpeg check categories 17 September 2015 2 Mussels at the age of one year and four months and buttons cut from them These mussels were the product of artificial infection and rearing by the crate method Subject Pearl button industry Buttons Freshwater mussels Tag Shellfish 1923 Cite book Experiments in the Culture of Fresh-Water Mussels Bulletinof the United States Bureau of Fisheries vol 38 1921-1922 Howard Arthur Day Washington DC Government Printing Office 1923 Fig 72 J B Southall PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 39045 Images from the Freshwater and Marine Image Bank to check Buttons Shellfish |