Embossed horn shellGlobosa or Tun?鈥業t is described by Knorr; whose elegant figure we have adopted; as representing a large horn; adorned with protruberances or knobs - the Knobbed or Embossed Horn - and belonging to the species named by some naturalists the Oilmen or Oil-jars.'Handcoloured copperplate engraving from 鈥楾he Naturalist's Pocket Magazine; or; Complete Cabinet of the Curiosities and Beauties of Nature' (1798~1802) published by Harrison; London.