Oyster Small 320×178 Medium 640×357 Large 1024×571 Download Tiff Original 2400×1338 | (1.1 MB) Description "A salt-water mollusk, highly esteemed as an article of food." -Foster, 1921. Keywords label mollusk, oyster anatomy Galleries Clams and Other Bivalves Source: Ellsworth D. Foster ed. The American Educator (vol. 6) (Chicago, IL: Ralph Durham Company, 1921)
