Agate Shell Small 186×320 Medium 372×640 Large 595×1024 Download Tiff Original 1395×2400 | (1.7 MB) Description "A genus of land-snails, of the family Helicidæ. Typified by the large agate-shells of Africa."-Whitney, 1902 Keywords african snail, agate, snail Galleries Snails and Slugs Source: William Dwight Whitney, The Century Dictionary, an Encyclopedic Lexicon of the English Language (New York: The Century Co., 1902)I:45
